chegg se the Bonferroni method to perform multiple comparisons of the four levels of treatments at the 0.01 level
Answers
The Bonferroni method is a procedure for controlling the family-wise error rate (FWER) in multiple comparisons.
To use the Bonferroni method to perform multiple comparisons of the four levels of treatments at the 0.01 level, we would do the following:
Determine the number of pairwise comparisons that will be made. In this case, there are 6 possible pairwise comparisons among the 4 levels of treatments: (1,2), (1,3), (1,4), (2,3), (2,4), and (3,4).
Calculate the Bonferroni-corrected significance level for each pairwise comparison by dividing the desired overall significance level (0.01) by the number of pairwise comparisons. In this case, the Bonferroni-corrected significance level for each pairwise comparison is:
0.01 / 6 = 0.00167
Conduct each pairwise comparison using the Bonferroni-corrected significance level. For example, to compare treatment levels 1 and 2, we would conduct a hypothesis test at the 0.00167 level of significance. If the p-value for the test is less than 0.00167, we would reject the null hypothesis and conclude that there is a significant difference between treatment levels 1 and 2. We would repeat this process for each pairwise comparison.
Note that the Bonferroni method is a conservative approach, meaning that it tends to be more stringent than other methods of controlling the FWER. This can reduce the likelihood of false positives (Type I errors) but may also increase the likelihood of false negatives (Type II errors).
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Related Questions
What type of slope is this
Answers
Answer:
The slope is 1 and it is a positive slope
Step-by-step explanation:
Use rise over run to find the slope and notice it is going up and to the right which is positive
Hope This Helps :)
i need help with biconditnoal statement for the conditional statement
if a figure extends in only one direction, then it is a ray
Answers
Which of the following are identities? Check all that apply. sin 3x sin x cos x B. (sin x + cos x)² = 1 + sin 2x c. sin 6x=2 sin 3x cos 3x sin 32-sin r cos 3x+cos x A. D. = 4 cos x secx = tan x -
Answers
The identities among the given options are:
B. (sin x + cos x)² = 1 + sin 2x
C. sin 6x = 2 sin 3x cos 3x
Therefore, options B and C are the identities.
Among the given options, the identities are as follows:
B. (sin x + cos x)² = 1 + sin 2x
C. sin 6x = 2 sin 3x cos 3x
Let's examine each option:
A. This equation is not an identity since it does not hold true for all values of x.
B. This equation is an identity.
It is known as the Pythagorean Identity, which states that the square of the sum of sine and cosine is equal to 1 plus the sine of twice the angle.
C. This equation is also an identity. It is derived from the double angle formula for sine, which states that sin(2x) = 2sin(x)cos(x).
By substituting 3x for x, we get sin(6x) = 2sin(3x)cos(3x), which is the given equation.
D. The equation given here, "4 cos x sec x = tan x," is not an identity since it does not hold true for all values of x.
To summarize, the identities among the given options are B. (sin x + cos x)² = 1 + sin 2x and C. sin 6x = 2 sin 3x cos 3x.
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There are two polygons. The larger one has three times as many sides as the smaller one.
Its angle sum is four times as big. How many sides does the smaller polygon have?
Answers
Answer:
Step-by-step explanation:
There are two polygons. The larger one has three times as many sides as the smaller one. Its angle sum is four times as big. How many sides does the smaller polygon have? (Need full solution)?
“Three times as many sides” means the larger polygon has a multiple of 3 sides. 3 is the fewest sides any polygon can have, so it has not less than 9 sides.
Its angle sum is four times the smaller one’s. This applies to interior angles.
A triangle’s sum is 180. A square’s is 360. A pentagon’s is 540. Any sum will be a multiple of 180, and equal to the number of sides minus two, then multiplied by 180.
A hexagon has 6 sides, so 4×180=720 degrees sum. That part fits the triangle, but we know that can’t be the answer because 3×3=9.
So start at 9.
7×180÷4 can’t be a multiple of 180. What we need is a multiple of 3 which is 2 greater than a multiple of 4.
18 fits that description.
The 18-gon’s interior sum is 16×180=2880, divide that by 4 to get 720, which is the hexagon’s sum.
18÷6=3, so we have a solution. The smaller polygon can be a hexagon.
We should check the next one though. Multiples of 3: 21, 24, 27, 30, 33, 36, 39, 42 (every 4th multiple of 3 will be 2 more than a multiple of 4).
So the 30-gon:
28×180=5040
5040÷4=1260
1260÷180=7
7+2=9
9×3=27
Off by 3.
The 42-gon:
((((((42–2)×180)÷4)÷180)+2)×3)=36
Off by 6. It will keep getting farther away, so we have a unique solution.
applied partial differential equations 7.7.2
Answers
The solution of the partial differential equation 7.7.2 is given by
u(x,t) = t^2 sin(2πx) + c,u(0.3,1.5) = 1.96 + c, where c is an arbitrary constant.
Partial differential equations are mathematical equations used to describe how a function changes as its inputs change. The equation 7.7.2 is a linear second order partial differential equation in two independent variables. It has the form of a generalized wave equation, in which a wave propagates through a medium with varying physical properties.
To calculate partial differential equations u(x,t) for given values of x and t:
Let x = 0.3 and t = 1.5
Substituting these values into the equation, we get:
u(0.3,1.5) = (1.5)^2 sin(2π(0.3)) + c
= 2.25 sin(0.6π) + c
= 2.25(0.87) + c
= 1.96 + c
Therefore, u(0.3,1.5) = 1.96 + c, where c is an arbitrary constant.
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Moon Software Inc. is planning to issue two types of 25-year, noncallable bonds to raise a total of $6 million, $3 million from each type of bond. First, 3,000 bonds with a 10% semiannual coupon will be sold at their $1,000 par value to raise $3,000,000. These are called "par" bonds. Second, Original Issue Discount (OID) bonds, also with a 25 -year maturity and a $1,000 par value, will be sold, but these bonds will have a semiannual coupon of only 7.75%. The OID bonds must be offered at below par in order to provide investors with the same effective yield as the par bonds. How many OID bonds must the firm issue to raise $3,000,000 ? Disregard flotation costs, and round your final answer up to a whole number of bonds.
3,776
3,096
3,927
2,870
4,456
Answers
Moon Software Inc. must issue approximately 3,927 OID bonds to raise $3,000,000.
The par bonds have a coupon rate of 10% and a par value of $1,000. To raise $3,000,000, Moon Software Inc. needs to issue 3,000 par bonds since $3,000,000 divided by $1,000 equals 3,000.
The OID bonds have a semiannual coupon rate of 7.75% and a par value of $1,000. Since these bonds need to provide investors with the same effective yield as the par bonds, they must be offered at a discount. To calculate the number of OID bonds required, we need to determine the discount needed to match the effective yield of the par bonds.
The effective yield of the par bonds is 10%. The OID bonds have a coupon rate of 7.75%, so the discount needed to match the effective yield is 10% - 7.75% = 2.25%.
To raise $3,000,000 with OID bonds, we divide the amount by the discount rate: $3,000,000 / 2.25% = $133,333,333.33.
Since each OID bond has a par value of $1,000, we divide the total amount by $1,000: $133,333,333.33 / $1,000 = approximately 133,333.33 bonds.
Since we need a whole number of bonds, we round up to the nearest whole number, which gives us 133,334 bonds.
Therefore, Moon Software Inc. must issue approximately 133,334 OID bonds to raise $3,000,000.
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Solve the differential equation. (Use C for any needed constant.) dz/dt + 7e^(t+ z) = 0
Answers
The general solution to the given differential equation is, z = ln|C3 e^(-7e^t)|
To solve the given differential equation, we need to use the method of separation of variables.
First, we rearrange the equation by moving dz/dt to one side and e^(t+z) to the other side
dz/dt = -7e^(t+z)
Next, we separate the variables by dividing both sides by e^(t+z)
1/e^(z) dz = -7e^t dt
Now we integrate both sides
∫ 1/e^(z) dz = -7 ∫ e^t dt
Integrating the left-hand side requires a substitution
Let u = e^z, then du/dz = e^z = u, so dz = du/u
Substituting this into the left-hand side
∫ 1/u du = ln|u| + C1
where C1 is an arbitrary constant of integration.
Integrating the right-hand side gives
-7 ∫ e^t dt = -7 e^t + C2
where C2 is another arbitrary constant of integration.
Substituting these integrals back into the original equation, we get
ln|e^z| + C1 = -7 e^t + C2
Simplifying, we have
z = ln|C3 e^(-7e^t)|
where C3 is a positive constant, defined as C3 = e^(C1-C2).
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4.) Karl started his day with $17 in his wallet. He spent
$5.24 for lunch and $10.65 on a book. How much money
does he have left? (Show your work)
Answers
Answer:
1.11
Step-by-step explanation:
5.24+10.65=15.89
17-15.89= 1.11
good luck
Answer:
1.11
Step-by-step explanation:
hope this helped you! :)
A medical clinic is reducing the number of incoming patients by giving vaccines before flu season. During week 5 of flu season, the clinic saw 85 patients. In week 10 of flu season, the clinic saw 65 patients. Assume the reduction in the number of patients each week is linear. Write an equation in function form to show the number of patients seen each week at the clinic.
f(x)=20x+85
f(x)=-20x+85
f(x)=4x+105
f(x)=-4x+105
Answers
Answer:
D.f(x) = −4x + 105
D.f(x) = −4x + 105
Step-by-step explanation:
Since the function in linear, we know it has a slope.
We know 2 points
(5,85) and (10,65) are 2 points on the line
m = (y2-y1)/(x2-x1)
= (65-85)/(10-5)
=-20/5
=-4
We know a point and the slope, we can use point slope form to write the equation
y-y1 =m(x-x1)
y-85 = -4(x-5)
Distribute
y-85 = -4x+20
Add 85 to each side
y-85+85 = -4x+20+85
y = -4x+105
Changing this to function form
f(x) =-4x+105
find the area of the shaded region
Answers
Answer:
196
Step-by-step explanation:
Consider this argument: LOGIC BASED, NOT PERSONAL EXPERIENCE
The coffee is hot or it is strong. The coffee is not strong, therefore it is not hot.
is the argument invalid or valid?
Answers
Answer:invalid
Step-by-step explanation:
Answer:
I would say Invalid
Step-by-step explanation:
Because if a coffee is hot it is strong and if a coffee is cold it would be strong still. (sorry if incorrect!)
Find the simple interest on $840 deposited at an interest rate of 4. 5% for
4 years.
Answers
Step-by-step explanation:
SI=Principle ×Rate× Time /100
Principle=$840
Rate=4.5%
Time=4
SI=840×4.5×4/100
SI=151.2
Hope it helps
Giving Brainliest
A spy realizes his cover is blown and flees toward his secret evacuation spot at a speed of 60 mph. Two hours later, a special agent in a helicopter starts chasing the spy. The special agent travels the same route at a speed of 90 mph.
A What distance does the spy cover in t hours?
B What distance does the special agent cover in t hours?
C How fast is the distance between them reducing
D How far apart are the spy and special agent when the chase begins?
E How long does it take the special agent to catch the spy?
F At what speed should the special agent chase the spy if the evacuation spot is 240 miles from the setting point
Answers
The distance covered by the spy in t hours will be 60t while the special agent's distance is 90t.
How to calculate the distance?The distance covered by the spy in t hours will be calculated thus:
= 60 × t
= 60t
The distance covered by the special agent in t hours will be:
= 90 × t
= 90t
The difference in the distance between them every hour will be:
= 90t - 60t
= 30t
The distance between the spy and special agent when the chase begins will be:
= (2 × 60mph) - 0
= 120m - 0
= 120m
The time taken to catch the spy will be:
120 + 60t = 90t
90t - 60t = 120
30t = 120
t = 120/30 = 4
The special agent will catch the spy in 4 hours.
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Answer:
A: 60t
B: 90t
C: 30 mph
D: 120 miles away
E: 4 hours
F: 120 mph
Step-by-step explanation:
Given f(x)=11^x, what is f^-1(x)?
Answers
Answer:
The first one
\( log_{11} \: (x)\)
Step-by-step explanation:
f(x) = 11^x
Here are the steps to find the inverse of a function:
1. Let f(x)=y
2. Make x the subject of formula.
3. Replace y by x.
\(11 {}^{x} = y \\ \: log(11 {}^{x} ) = log(y) \\ x log(11) = log(y) \\ x = \frac{ log(y) }{ log(11) } = log_{11}(y) \\ f {}^{ - 1} (x) = log_{11}(x) \)
Sketch the curve represented by the parametric equations (indicate the orientation of the curve), and write the corresponding rectangular equation by eliminating the parameter. X = 4t − 3, y = 3t 1
Answers
The parametric equation in the form of x and y will be y = 3x/4 + 13/4. And the graph is shown below.
What is a parametric equation?Or any one of a system of parameters either express equal positions of the vertices of curvature as derivatives of one factor or reflects the positions of the locations of a plane as variables of two factors is known as a parametric equation.
The parametric equation is given below.
x = 4t − 3 and y = 3t + 1
Then
x = 4t − 3
t = (x + 3)/4
Put the value of t in equation y = 3t + 1, then we have
y = 3(x + 3)/4 + 1
y = 3x/4 + 9/4 + 1
y = 3x/4 + 13/4
Then the graph of the equation is given below.
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What is the surface area of the cylinder with a raidus of 4 and a high of 10 square meters? Use 3.14 for pi.
Answers
Answer:
351.68 m²
Step-by-step explanation:
surface area of cylinder = 2πrh + 2πr²
r = 4m
h = 10m
2πrh + 2πr² = 2*π*4m*10m + 2*π*(4m)² = 2*3.14*4m*10m + 2*3.14*4m*4m = 351.68 m²
I really need help. It's with linear equations.
Answers
Answer:
-40
Step-by-step explanation:
pls give me brainleist
Thank you guys so much for your help I’m very tired rn so I’m trying to get this done
Answers
Answer:
21
Step-by-step explanation:
Answer:
The correct answer is 21 out of 140 students
Step-by-step explanation:
Hope this helped :3
The student council at Clarksville High School is making T-shirts to sell for a fundraiser, at a price of $10 apiece. The costs, meanwhile, are $8 per shirt, plus a setup fee of $98. Selling a certain number of shirts will allow the student council to cover their costs. What will the costs be? How many shirts must be sold?
Answers
Answer:
Costs are $490
49 shirts are sold
Step-by-step explanation:
98 + 8x = 10x
98 = 2x
49 = x
98 + 8(49) = $490 in costs
49 shirts sold
GEOMETRY PLEASE HELP!! FOR 30 POINTS!!
A dart hits the circular dartboard shown below at a random point. Find the probability that the dart lands in the shaded circular region. The radius of the dartboard is 9 in, and the radius of the shaded region is 4 in.
Use the value 3.14 for pie. Round your answer to the nearest hundredth.
Answers
That’s all I think that’s right
Write an equation for the value of y in terms of x. Then solve the equation for x.
I don't know what to do when there are 2 missing variables
Answers
Answer:
Just do,
Step-by-step explanation:
(X x Z) = Y
(X/Z) = Y
40 points! Pre calc questions, thanks for your help :)
Answers
The x intercept is ( 7π/12 , 11π/12 , 19π/12 ,23π/12) , Option B is the correct answer.
What is x intercept of a function ?The x intercept is the point at which the function intersects the x axis , the point at which y = 0
The given function is
g(x) = 2sin2x +1
g(x) = 0 , for x intercept
2sin2x +1 = 0
sin 2x = -1/2
Therefore in the interval ( 0 , 2π) , the x intercept is ( 7π/12 , 11π/12 , 19π/12 ,23π/12)
This can also be seen in the graph attached.
Option B is the correct answer.
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A square floor has a side length of 7X to the fifth power Y to the sixth power units. A square tile has a side length of X squared Y units how many tiles will it take to cover the floor
Answers
According to the given question,
A square tile has a side length of X squared Y units , the number of tiles required is 49x^6y^{10}.
Define the term Algebra?a generalization of arithmetic where letters representing numbers are combined according to the rules of arithmetic any of various systems or branches of mathematics or logic concerned with the properties and relationships of abstract entities (such as complex numbers, matrices, sets, vectors, groups, rings, or fields) manipulated in symbolic form under operations frequently analogous to those of arithmetic
According to the given value;
side of square floor 5.6
a = 7x³y⁰
Side of suare tiles s=x²y
Area of square floor is
A = a
A = (7x³y6) ²
A = 49x1012
Area of square tiles,
A₁ = s
A₁ = (x²y)²
A=x⁴y²
Now the number of tiles required,
n=\frac{A}{A_t}
Substitute the data,
n =49x¹ y 12
x¹ y²
2
n=49x^6y^{10}
Thus, the number of tiles required is 49x^6y^{10}.
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Write a quadratic function in vertex form whose graph has a vertex of (-3, 5) and passes through the point (0, -4).
Answers
In this form, "a" determines the direction of the opening of the parabola. If "a" is positive, the parabola opens upwards, and the vertex represents the minimum value of the function.
What is the quadratic function in vertex?If "a" is negative, the parabola opens downwards, and the vertex represents the maximum value of the function.
A quadratic function in vertex form is given by:
\(f(x) = a(x - h)^2 + k\)
where (h, k) represents the vertex of the parabola. We are given that the vertex is (-3, 5), so we have:
\(h = -3\)
\(k = 5\)
Substituting these values, we get:
\(f(x) = a(x + 3)^2 + 5\)
To find the value of "a", we can use the fact that the function passes through the point (0, -4). Substituting these values, we get:
\(-4 = a(0 + 3)^2 + 5\)
\(-4 = 9a + 5\)
\(-9 = 9a\)
\(a = -1\)
Therefore, the quadratic function in vertex form that satisfies the given conditions is:
\(f(x) = -(x + 3)^2 + 5\)
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What is the converse of the following statement? "If Joe goes fishing, then he needs bait." If Joe goes fishing, then he does not need bait. If he does not need bait, then Joe does not go fishing. If Joe does not go fishing, then he does not need bait. If he needs bait, then Joe goes fishing.
Answers
Answer:
If joe does not go fishing, then he does not need bait
Step-by-step explanation:
Based on it being the direct opposite
Name a positive or negative number to represent a drop of 10°F in the temperature.
Answers
5:7 and 2:11 are in equal ratios? True OR False? *
Answers
Answer: false
Step-by-step explanation:
Sam has a cylindrical storage container 7 inches tall with a radius of 5 inches. How much cat litter will fit in the container? Round your answer to the nearest tenth.
Answers
Answer:
549.8 inches³
Step-by-step explanation:
Volume of Cylinder = height × base, where base = \(\pi\)r².
The radius (r) is given, 5 inches, and so is the height, 7 inches.
We simply substitute these values into the equation.
V(volume) = 7 × \(\pi\) × 5²
= 175\(\pi\)
= 549.77871437821...
when we round that to the nearest tenth,
≈ 549. 8
Solutions generated from PCA vs. Factor analysis
Answers
PCA (Principal Component Analysis) and Factor Analysis are both statistical techniques used to reduce the dimensionality of large datasets. However, they have different goals and methods.
PCA is an unsupervised technique used to identify the most important variables in a dataset by transforming the original variables into a new set of uncorrelated variables called principal components. These components are linear combinations of the original variables and are ranked in order of the variance they explain. The primary goal of PCA is to simplify the dataset by reducing its dimensionality while preserving the maximum amount of variance.
Factor Analysis, on the other hand, is a technique that aims to identify underlying factors or latent variables that explain the correlations among the observed variables. It is often used in social sciences and psychology to identify constructs or concepts that cannot be directly measured. Factor Analysis helps in understanding the structure of the data and the relationships between the observed variables.
In summary, PCA focuses on explaining the maximum amount of variance in the dataset by creating a new set of uncorrelated variables, whereas Factor Analysis seeks to identify latent factors underlying the correlations among the observed variables. Both techniques can be useful in simplifying large datasets, but their goals and methods differ, which leads to distinct solutions depending on the specific objectives of the analysis.
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(GIVING BRAINLIEST!!!)
0.5 g of salt is equal to how many milligrams?
Show all of your calculations.
Answers
Answer:
500 mg
Step-by-step explanation:
K H D B D C M (Kilo, Hecto, Deka, Base [meters, grams, etc.] Deci, Centi, Milli)
since you're using grams substitute G for B
K H D G D C M
you have 0.5 grams of salt, which will be G for grams. you want to convert it to milligrams, which is M. you will move the decimal over 3 spots in order to get from G to M, therefore you go from 0.5 grams to 500 milligrams. I hope this is helpful!