Calculate the residuals for the scatter plot (image provided)

Calculate The Residuals For The Scatter Plot (image Provided)

Answers

Answer 1

From the given graph, and using the scatter plot function of a graphing calculator, the residuals are;

-0.08693, -0.019376, -0.518, -0.183, -0.083, 0.135, 0.318, and 0.578

Which method can be used to find the residuals?

From the diagram, the given points are;

(14, 4), (15, 4), (16.5, 3.5), (18, 4), (18, 3.9), (19.5, 3.85), (20, 4), (26.8, 3.8)

Utilizing a graphing calculator, using the scatter plot function we have the following predicted values;

Best fit line; y = 5.032 - 0.0676•x

Residuals = Actual - Predicted from equation

The residuals are;

y1 = 4 - 4.08693 = -0.08693

y2 = 4 - 4.019376 = -0.019376

y3 = 3.5 - 3.918 = -0.518

y4 = 4 - 3.817 = -0.183

y5 = 3.9 - 3.817 = -0.083

y6 = 3.85 - 3.715 = 0.135

y7 = 4 - 3.682 = 0.318

y8 = 3.8 - 3.222 = 0.578

The residuals are therefore;

The residuals are;

-0.08693, -0.019376, -0.518, -0.183, -0.083, 0.135, 0.318, and 0.578

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Related Questions

(A lot of points to whoever can help me out!!) I need help with this!!

(A lot of points to whoever can help me out!!) I need help with this!!

Answers

The completed statements with regards to the compound interest of the amount in the account are;

If the account has a 5% interest rate and is compounded monthly, you have $101.655 million money after 2 years

If the account has a 5% interest rate compounded continuously, you would have $106.096 million money after 2 years

What is the compound interest on an amount?

Compound interest is the interest calculated based on the initial amount and the accumulated interests accrued from the periods before the present.

The compound interest formula indicates that we get;

\(A = P\cdot (1 + \frac{r}{n}) ^{n\cdot t}\)

Where;

P = The principal amount invested = $92 million

r = The interest rate = 5% monthly

n = The number of times the interest is compounded per annum = 12

t = The number of years = 2 years

Therefore; \(A = 92\cdot (1 + \frac{0.05}{12}) ^{12\times 2}\approx 101.655\)

The amount in the account after 2 years is therefore about $101.655 million

The formula for the amount in the account if the principal is compounded continuously, we get;

A = \(P\cdot e^{(r\cdot t)}\)

Therefore, we get;

\(A = 96 \times e^{0.05 \times 2} \approx 106.096\)

The amount in the account after 2 years, compounded continuously therefore, is about $106.096 million

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Write the formula for the volume of a rectangular solid of length " l, " width " w, " and height " h. " Write the variable equation/write formula using the variables


Select one:


V=lwh


V= (lw)/h


V=(hl)/w


V=(hw)/l

Answers

The formula to find the volume of a rectangular solid is the first one.
V = lwh

If you start with a principal amount of $150 and the simple interest rate is 3%. What will the
interest amount be after three years?

Answers

Answer:

Im so sorry but I have no idea

Step-by-step explanation:

Answer:

$163.5 is the answer.....

can someone help? 25 points

can someone help? 25 points

Answers

Answer:

Triangle A: acute

Triangle B: acute

Triangle C: obtuse

Triangle D: right

Step-by-step explanation:

acute= less than 90 degrees each angle

obtuse=more than 90 degrees for one angle

right=equal exactly 90 degrees for one angle

Answer:

A=Acute

B. Acute

C.Obtuse

D.Right

Step-by-step explanation:

a,and b, and  are acute becuase there angles are less than 90 degrees.

d is obtuse beucase the angleismore than 90 degrees

D is right beucase the angle is 90 degrees and it hasthat square in the corner.

Let us suppose the following profit function for this industry: π(p,w
1

,w
2

)=
8(w
1

+w
2

)
1/2

p
2


where p is the market price of its output, while w
1

and w
2

are the prices of the inputs. Assume further that the firms are identical and that each firm faces the same market prices for both its output as well as inputs. a) Explain whether the firm is operating in the short run or long run and further determine the supply function for each firm. b) Derive the firm's input demand functions, determine their degree of homogeneity as well as the impact of a change in the input prices. c) Derive the market supply function given that there are 40 firms operating in this, market. d) If the market price of output (p) is 5 , the market price of the input (w
1

) is 1 , that of (w
2

) is also 1 and the demand function is given by q=1500/p(p+1). Determine the total market supply.

Answers

(a) The firm is operating in the long run, and its supply function is determined by the profit maximization condition.

(b) The firm's input demand functions can be derived from the profit function, and their degree of homogeneity is 1/2. Changes in input prices will impact the firm's input demand.

(c) The market supply function can be derived by aggregating the supply functions of all 40 firms operating in the market.

(d) Given the market conditions and demand function, the total market supply can be calculated.

(a) The firm is operating in the long run because it has the flexibility to adjust its inputs and make decisions based on market conditions. The firm's supply function is determined by maximizing its profit, which is achieved by setting the marginal cost equal to the market price. In this case, the supply function for each firm can be derived by taking the derivative of the profit function with respect to the price of output (p).

(b) The input demand functions for the firm can be derived by maximizing the profit function with respect to each input price. The degree of homogeneity of the input demand functions can be determined by examining the exponents of the input prices. In this case, the degree of homogeneity is 1/2. Changes in the input prices will affect the firm's input demand as it adjusts its input quantities to maximize profit.

(c) The market supply function can be derived by aggregating the individual supply functions of all firms in the market. Since there are 40 identical firms, the market supply function can be obtained by multiplying the supply function of a single firm by the total number of firms (40).

(d) To determine the total market supply, we substitute the given market conditions and demand function into the market supply function. By solving for the market quantity at a given market price, we can calculate the total market supply.

In conclusion, the firm is operating in the long run, and its supply function is determined by profit maximization. The input demand functions have a degree of homogeneity of 1/2, and changes in input prices impact the firm's input demand. The market supply function is derived by aggregating the individual firm supply functions, and the total market supply can be calculated using the given market conditions and demand function.

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Consider the following system of two equations.



{y=−8x+10
y=x−8


What are the coordinates (x,y) of the solution to the system of equations?



Enter the coordinates in the space provided.

Answers

y & x = 5/4, 8 .........



HELP FAST PLS !!!!

Solve each inequality. Show your work.

1. -3e - 10 ≤ -4
2. 8c + 4 > 4(c- 3)
3. 5(x - 1) < 3x + 10 - 8x

Answers

Answer:

1 True

2 c>−4

3 x<  3/2

Step-by-step explanation:

Answer:

1. e ≥ -2

2. c ≤ 4

3. x < 1.5 or 1 5/10

Step-by-step explanation:

1.  -3e-10 ≤ -4  => first add 10 to both sides

     +10    +10

-3e ≤ 6 => Then divide negative three on both sides.

/-3    /-3

e ≥ -2 => Since, we divided by a negative the sign switches.

2.  8c+4 ≤ 4(c-3) => First, Distribute the 4.

8c+4 ≤ 4c -12 => Next, Subtract 4 on both sides.

8c ≤ 4c -16 => then, subtract 4c on both sides.

-4c   4c

4c ≤ 16 => Finally, you divided 4 on both sides.

/4    /4

c ≤ 4

3. 5(x-1) < 3x +10 -8x => First, you add like terms.

5(x -1) < -5x +10 => Next, you distribute the 5.

5x -5 < -5x +10 => Then, you add five in both sides.

    +5      +5

5x < -5x +15 => After that you add -5x in both sides.

+5x   +5x

10x < 15 => Finally, you divide 10 in both sides.

/10     /10

x < 1.5 or 1 5/10

Machine A can label 11 bottles in 1 minute. Machine B can label 14 bottles in 1 minute. How many bottles can both machines label in 15 minutes?

Answers

Answer:

Machine 1: 165

Machine 2: 210

Step-by-step explanation:

Machine 1: 11 bottle per minute

11 * 15 = 165 labeled bottles per minute

Machine 2: 14 bottles per minute

14*15 = 210 labeled bottles per minute

Please help me on my assignment I have to do it before taking the test

Please help me on my assignment I have to do it before taking the test

Answers

Answer:

26

Step-by-step explanation:

w = 5 so 7w is 7 x 5 = 35 and x = 9 so it’s 35 - 9 which is 26

Marcus bought 8.6 kg of sugar. He poured the sugar equally into 5 bottles. There was 0.35 kg of sugar left over. What was the mass of sugar in 1 bottle?

Answers

The mass of sugar in 1 bottle is 1.65kg.

What is the mass of sugar in one bottle?

The equation that represents the information in the question is:

Total kg of sugar bought = total kg of the bottes + sugar left over

Total kg of sugar bought = (number of bottles x mass of sugar in one bottles + sugar leftover

8.6 = (5 x s) + 0.35

8.6 = 5s + 0.35

In order to determine the value of s, take the following steps:

Combine and add similar terms together:

8.6 - 0.35 = 5s

8.25 = 5s

Divide both sides of the equation by 5

s = 8.25 / 5

s = 1.65 kg

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WHICH OF FOLLOWING IS NOT POSSIBLE?
O A. AN OBTUSE ISOSCELES TRIANGLE
OB. AN ACUTE ISOSCELES TRIANGLE
OC. AN OBTUSE EQUILATERAL TRIANGLE
OD. AN ACUTE EQUILATERAL TRIANGLE

Answers

Answer:

The answer would be C. An obtuse equilateral triangle :)

find the probability that the coin lands heads exactly 11 times. a. 0.1602 b. 0.5731 c. 0.2941 d. 0.1527 e. 0.6374

Answers

The probability of landing heads exactly 11 times when a coin is tossed 20 times is option a) 0.1602

The repeated tossing of a coin follows a binomial distribution

P(X = x) = ⁿCₓ pˣ (1 - p)⁽ⁿ ⁻ ˣ⁾

where,

n = No. of times the experiment was repeated

x = random variable defining the number of "successes"

p = probability of "success"

Here

"succeess" is the event of landing a head.

n = 20

x = no. of times heads should show, i.e 11

p = probability of landing a head in a single toss

= 1/2

Hence, putting all this in the formula above we get

P(X = 11) = ²⁰C₁₁ 0.5¹¹ (1 - 0.5)⁽²⁰ ⁻ ¹¹⁾

= ²⁰C₁₁ 0.5¹¹ 0.5⁹

= ²⁰C₁₁ 0.5²⁰

= 20!/ 11! (20 - 11)! X 0.5²⁰

= a) 0.1602

Complete Question

An unbiased coin is tossed 20 times.

Find the probability that the coin lands heads exactly 11 times

a. 0.1602

b. 0.5731

c. 0.2941

d. 0.1527

e. 0.6374

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Plz find the surface area

Plz find the surface area

Answers

Answer:

What are the answers?

32. what proportion of the 30 sampled bottles are more than 12 ounces? a. 0.20 b. 0.60 c. 0.50 d. 0.30 33. in the sample of 30 bottles, the lowest recorded fill is 11.3 ounces, however, originally this value was mistakenly entered as 1.3 ounces. suppose the error is left uncorrected and the lowest value remains 1.3 ounces. which value is most affected by the error? a. the median. b. the interquartile range. c. the mean. d. all measurements would be affected the same.

Answers

The proportion of the 30 sampled bottles are more than 12 ounces is 0.30. The value is most affected by the error will be mean.

What is mean?

The sum of all values divided by the total number of values determines the mean (also known as the arithmetic mean, which differs from the geometric mean) of a dataset. The term "average" is frequently used to describe this measure of central tendency. A data set's mean (average) is calculated by adding all of the numbers in the set, then dividing by the total number of values in the set. When a data set is ranked from least to greatest, the median is the midpoint.

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In the House of Commons, citizens elect their members. Of the 800 members, 530 are from England, 120 are from Wales, 100 are from Scotland and 50 are from Northern Ireland. What is the percentage of members from Wales?

Answers

Answer:

15%

I like your demon slayer profile picture

Answer:

The answer is 15%.

Step-by-step explanation:

If 100 is 10% it only makes since that 15% is the right answer.

Hope This Helps!

What is centroid and circumcentre?

Answers

The centroid and circumcenter of triangles are both geometric notions.

The distinction between a circumcenter and a centroid

Centroid:is a place where the triangle's medians coincide is known as the centroid. A triangle's median is a line segment that runs from one of the triangle's vertices to the middle of the other side. The centroid, which is sometimes designated as "G," is situated at the junction of all three medians. It is regarded as the triangle's center of mass or equilibrium point. Each median is split into two segments by the centroid, with the larger segment being closer to the vertex and the ratio of the segments' lengths being 2:1.

The centroid's characteristics

The centroid is situated two-thirds of the way between each vertex and the opposing side's middle.

It is located within the triangle.

The centroid is a triangle's uniformly thick and dense center of gravity.

The triangle is divided into three equal-sized triangles by the centroid.

A circumcenter's  is perpendicular to a triangle's side and runs through that side's midpoint is called a perpendicular bisector. The unique circle that traverses all three of the triangle's vertices is called the circumcircle, and its center is known as the circumcenter. It is frequently indicated as "O"

The circumcenter's characteristics are:

Depending on the type of triangle, the circumcenter may be within, outside, or on the triangle.

The circumcenter is located inside the triangle if the triangle is sharp.

The circumcenter is outside the triangle if the triangle is acute.

The midpoint of the hypotenuse is where the circumcenter is found in a triangle with a right angle.

The triangle's three vertices are all equally far from the circumcenter.

The circumcenter is the point where the perpendicular bisectors, which are equally spaced from the triangle's respective sides, intersect.

Both the centroid and circumcenter are significant triangle locations with unique geometric characteristics.

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for the region rr below, write ∬rfda∬rfda as an iterated integral in polar coordinates.

Answers

No function f(r,θ) is given, we cannot evaluate the integral further.

To write ∬rfda as an iterated integral in polar coordinates for the given region rr, we need to determine the limits of integration for r and θ.

Let's first look at the region rr. From the given graph, we can see that the region is bounded by the circle with radius 3 centered at the origin. Therefore, we can express the region as:

r ≤ 3

To determine the limits for θ, we need to examine the region rr more closely. We can see that the region is symmetric about the x-axis, which means that the limits for θ are:

0 ≤ θ ≤ π

Now, we can write the iterated integral as:

∬rfda = ∫₀³ ∫₀ᴨ f(r,θ) r dθ dr

where f(r,θ) is the integrand function and r and θ are the limits of integration. Note that r is integrated first, followed by θ.

In this case, since no function f(r,θ) is given, we cannot evaluate the integral further.

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A boat travels upstream on the Mississippi river for 3.5 hours. The return trip only takes 2.5 hours because the boat travels 2 miles per hour faster downstream due to the current. How far does the boat travel upstream? Which is the best equation to use?

Answers

Answer:

17.5 miles per hour

Step-by-step explanation:

A boat travels upstream on a Mississippi river for 3.5 hours

The return trip takes 2.5 hours

The boat travels 2 miles per hour faster downstream

Let y represent the speed that was travelled upsteam

3.5y = 2.5(y + 2)

3.5y = 2.5y + 5

3.5y - 2.5y = 5

y = 5

Therefore the distance travelled by the boat upstream can be calculated as follows

= 3.5 × 5

= 17.5 miles per hour

If you were evaluating the expression (20 - 2^4)^4(20−2​4​​ )​4​​ - 6, what would you do first?

Answers

I would do the exponent first
I hope this helps you :D

You can rent time on computers at the local copy center for a $9 setup charge and an additional $150 for every 5 minutes. How much time can be rented for $26?

Select the correct choice below and fill in the answer box to complete your choice

A. The independent variable is time (t) in minutes, and the dependent vanable is rental cost (), in dollars. The linear function that models this situation is

(Simplify your answer. Do not include the $ symbol in your answer)

B. The independent variable is rental cost (t), in dollars, and the dependent variable is time (t), in minutes. The linear function that models this situation ist

(Simplify your answer. Do not include the 5 symbol in your answer.)

minutes can be rented for $26

(Round to the nearest minute as needed)

A linear model

reasonable for this situation

Answers

Answer:

(A) The independent variable is time (t) in minutes, and the dependent variable is rental cost (), in dollars. The linear function that models this situation is

R(t) = 30t +8

The time that can be rented for $26 = 1min

Step-by-step explanation:

Based on the information given:

Setup charge on Rent at local copy center = $9

an additional $150 for every 5 minutes. To determine the time that can be rented for $26, let's find the relationship between the rental cost and the time.

For every 5min = $150

For 1 min = $150/5

For t min = 150t/5

Where t = number of minutes of rental time

Rental cost = set up charge + additional cost

Let Rental cost = R(t)

R(t) = 9 + 150t/5

Writing it in form of a linear equation: y = mx + c

R(t) = 150t/5 +9

R(t) = (150/5) ×t + 9

R(t) = 30t + 9

The independent variable is time (t) in minutes, and the dependent variable is rental cost (), in dollars. The linear function that models this situation is

R(t) = 30t + 9

The time that can be rented for $26:

Rental cost = $26

R(t) = 30t +9

26 = 30t +9

26-9 = 30t

17 = 30t

t = 17/30 = 0.57

t is approximately = 1min (nearest minute)

The time that can be rented for $26 = 1min

A rectangular brick wall is 7 m wide and 1 m
tall.
Use Pythagoras' theorem to work out the
distance between diagonally opposite corners.
Give your answer in metres (m) to 1 d.p.

Answers

The diagonal of the given brick using the Pythagorean Theorem is 5√2.

The Pythagorean Theorem is what?The three sides of a right triangle in Euclidean geometry have a basic relationship known as the Pythagorean theorem, also referred to as Pythagoras' theorem.This statement implies that the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides.A Pythagorean triple is made up of three positive integers a, b, and c if and only if their sum, a2 + b2, is equal to their sum, c2.Such a triple is frequently written as (a, b, c), and a well-known example is (3, 4, 5).

So, let the diagonal be 'x'.

Pythagorean formula: x² = b² + h²

Now,

x² = b² + h²x² = 7² + 1²x² = 49 + 1x² = 50x = √50x = √5 × 5 × 2x = 5√2

Therefore, the diagonal of the given brick using the Pythagorean Theorem is 5√2.

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the value of result in the following expression will be 0 if x has the value of 12. result = x > 100 ? 0 : 1;

Answers

The value of result in the following expression will be 0 if x has the value of 12:

result = x > 100 ? 0 : 1.

The expression given is known as a ternary operator.

It's a short form of if-else.

The ternary operator is written with three arguments separated by a question mark and a colon:

`variable = (condition) ? value_if_true : value_if_false`.

Here, `result = x > 100 ? 0 : 1;` is a ternary operator, and its meaning is the same as below if-else block.if (x > 100)  {  result = 0; }  else {  result = 1; }

As per the question, we know that if the value of `x` is `12`, then the value of `result` will be `0`.

Hence, the answer is `0`.

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Will give brainlyest!! the measures of the angles of the triangle are 50, 30 and 95 degrees.
What is the measure of the largest exterior angle of the triangle

Will give brainlyest!! the measures of the angles of the triangle are 50, 30 and 95 degrees.What is the

Answers

Answer:

145 degrees

Step-by-step explanation:

The largest exterior angle would be the one with the smallest interior angle, which is 35 And exterior and interior angles is always 180.

180 - 35 = 145 degrees

I need the brainliest

Answer:

145 degrees

Step-by-step explanation:

I don't want the brainleist.

which measurement is equivalent to 2.34 meters? responses 0.0234 cm 0.0234 cm 23.4 cm 23.4 cm 234 cm 234 cm 2340 cm

Answers

Option 234 cm is the correct option.

The measurement equivalent to 2.34 meters is: 234 cm

To convert meters to centimeters,

you multiply the number of meters by

100.

So, 2.34 meters multiplied by 100 is equal to 234 centimeters.

An object is only identified or classified using numbers on a nominal scale, which is a measuring scale. Only non-numeric (quantitative) factors or situations where numbers have no meaning are often addressed by this assessment.

By increasing the number of metres by 100, one may convert measurements from metres to centimetres. One metre equals one hundred centimetres, or 1 m = 100 cm, as is common knowledge.

Cm is used to represent it in writing. It may also be described as the unit of length in the current metric system, the International System of Units (SI). It is equal to one hundredth of a metre.

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Point A is at (-7, 5) and point C is at (5, -1). Find the coordinates of point B on AC such that AB is 5 times as long as BC
B= (_, _)

Answers

Answer:

B= (3, 0)

Step-by-step explanation: I had this question before so I know it

25 > x-5 steps too pls <3

Answers

Answer:

25>x-5 = x anything less than 30

Step-by-step explanation:

first add 5 to both sides

then u get 30.

30-5 is 25

so, you know that x must be any number less than 30 that is not 0

Answer:

x < 30

Step-by-step explanation:

\(25>x-5\\\\25+5>x-5+5\\\\{30>x}\\\\\boxed{x<30}\)

Hope this helps.

Leading coefficient of F(x)=-4x^2-9x^5+7x^3+4x^4

Answers

The leading coefficient is -9
Leading coefficient of F(x)=-4x^2-9x^5+7x^3+4x^4

Answer:

-9

Step-by-step explanation:

To solve this problem, you first need to put this problem in degree descending order.

monoidalTo do this, you first put the mononoimal with the highest exponent (The one with the most value).

This is done below:

\(F(x)=-4x^2-9x^5+7x^3+4x^4\\\\\) - This is the original problem just rewritten

\(F(x)=-9x^5-4x^2+7x^3+4x^4\) - You move the -9x first because it has the highest exponent of 5

\(F(x)=-9x^5+4x^4-4x^2+7x^3\)exponent - We put the 4x next because the expinet of 4 is higher than both 2 and 3

\(F(x)=-9x^5+4x^4+7x^3-4x^2\)because - Next, we put the 7x before the -4x because it has a higher exponent

After doing this, we can see that the leading monomial is \(-9x^5\). The leading coefficient is the number in front of the variable or, in this case, -9.

Which choice is a correct equation for the line graphed below?

Please hurry!!!

Which choice is a correct equation for the line graphed below?Please hurry!!!

Answers

Answer:

y = 3x + 1

Step-by-step explanation:

The y - intercept is +1

And the rise over run = 3/1  (because 3 is also 3/1)

Pictures are attached.

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

Which choice is a correct equation for the line graphed below?Please hurry!!!
Which choice is a correct equation for the line graphed below?Please hurry!!!

Answer:

A) y=3x+1

1 is the y-intercept (it is on the y axis)

you start at the 1 on the graph where the line passes through, then go 3 squares up and 1 to the right to land on the line again. This is rise over run, which you rise 3 squares up from 1, then run 1 square to the right. 3/1 = 3

5. an example of a hypothesis test and the required assumptions a graduate student is performing a study on a new antidepressant. the drug is supposed to reduce depression, but the graduate student realizes that it may do nothing or even increase depression, so she decides to formulate nondirectional hypotheses and conduct a two-tailed test. she knows that the average score for all depressed people is μ₀

Answers

Two-tailed t-test can determine if the drug has a significant effect on reducing depression. The required assumptions for the t-test include independence and random sampling, normal distribution within each group, and approximately equal variances between the groups.

An example of a hypothesis test in this scenario would be to test whether the new antidepressant has a statistically significant effect on reducing depression. The graduate student formulates a non-directional hypothesis, which means that they are not specifying whether the drug will increase or decrease depression.

To conduct the hypothesis test, the graduate student decides to use a two-tailed t-test. This type of test is appropriate when the researcher is interested in determining if there is a significant difference between the sample mean and a hypothesized population mean.

The required assumptions for a t-test include:
1. The data being analyzed should be independent and randomly sampled.
2. The data should be normally distributed within each group or sample.
3. The variances of the two groups or samples being compared should be approximately equal.

In summary, the graduate student is performing a study on a new antidepressant and formulates non-directional hypothesis. A two-tailed t-test can determine if the drug has a significant effect on reducing depression. The required assumptions for the t-test include independence and random sampling, normal distribution within each group, and approximately equal variances between the groups.

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20. Below are massesof students taken in a medical centre. 37 60 35 38 59 34 56 42 55 48 39 33 36 35 43 52 39 64 41 35 20 31 29 45 32 54 66 44 47 45 27 24 48 28 55 (a) Starting with the class 20-29 and class size of 10, make a frequency distribution table for the data. (2 marks)​

Answers

Answer:

\(\begin{array}{|c|c|} \cline{1-2}\text{Class} & \text{Frequency}\\\cline{1-2}20-29 & 5\\\cline{1-2}30-39 & 12\\\cline{1-2}40-49 & 9\\\cline{1-2}50-59 & 6\\\cline{1-2}60-69 & 3\\\cline{1-2}\end{array}\)

=====================================================

Explanation:

The given data set is

{37, 60, 35, 38, 59, 34, 56, 42, 55, 48, 39, 33, 36, 35, 43, 52, 39, 64, 41, 35, 20, 31, 29, 45, 32, 54, 66, 44, 47, 45, 27, 24, 48, 28, 55}

It sorts to

{20, 24, 27, 28, 29, 31, 32, 33, 34, 35, 35, 35, 36, 37, 38, 39, 39, 41, 42, 43, 44, 45, 45, 47, 48, 48, 52, 54, 55, 55, 56, 59, 60, 64, 66}

The five values 20,24,27,28,29 are between 20 and 29. This means the first class or bin will have a frequency of 5.

The next interval spans from 30 to 39. There are 12 items in this interval, and those 12 items are this subset {31, 32, 33, 34, 35, 35, 35, 36, 37, 38, 39, 39}. This means we have a frequency of 12 for the interval from 30 to 39.

Keep this process going until you get to the end of the data set.

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