Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test. Find the p -value.

Question

In an article in the Journal of Advertising, Weinberger and Spotts compare the use of humor in television ads in the United States and in the United Kingdom. Suppose that independent random samples of television ads are taken in the two countries. A random sample of 400 television ads in the United Kingdom reveals that 142 use humor, while a random sample of 500 television ads in the United States reveals that 122 use humor. a) Set up the null and alternative hypotheses needed to determine whether the proportion of ads using humor in the United Kingdom differs from the proportion of ads using humor in the United States. b) Test the hypotheses you set up in part a by using critical values and by setting a equal to .10, .05, .01, and .001. How much evidence is there that the proportions of U.K. and U.S. ads using humor are different?. Please do this stepwise and explanation and also dont do handwritten or skip please!! I will like.

Answer 1

Question

Chapter 15.6, Problem 24E

a.

To determine

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test.

Find the p-value.

b.

To determine

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test.

Find the p-value.

c.

To determine

Write the hypotheses and any assumptions used in Parts (a) and (b).

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Students have asked these similar questions

In an article in the Journal of Advertising, Weinberger and Spotts compare the use of humor in television ads in the United States and in the United Kingdom. Suppose that independent random samples of television ads are taken in the two countries. A random sample of 400 television ads in the United Kingdom reveals that 142 use humor, while a random sample of 500 television ads in the United States reveals that 122 use humor. a) Set up the null and alternative hypotheses needed to determine whether the proportion of ads using humor in the United Kingdom differs from the proportion of ads using humor in the United States. b) Test the hypotheses you set up in part a by using critical values and by setting a equal to .10, .05, .01, and .001. How much evidence is there that the proportions of U.K. and U.S. ads using humor are different?. Please do this stepwise and explanation and also dont do handwritten or skip please!! I will like.

Listed below are the heights (in inches) of fathers and their first sons. The dataare from a journal kept by Francis Galton. Use a 0.05 significance level to testthe claim that there is no difference in heights between fathers and their firstsons. (State the null and alternate hypothesis, the p-value method to make adecision, and write a conclusion based on the results.) Height of Father 72.0 66.0 69.0 70.0 70.0 70.0 70.0 75.0 68.265.0Height of Son 73.0 68.0 68.0 71.0 70.0 70.0 71.0 71.0 70.063.0

Consider the following competing hypotheses and accompanying sample data drawn independently from normally distributed populations. H0: μ1 − μ2 = 0 HA: μ1 − μ2 ≠ 0 x−1x−1 = 65 x−2x−2 = 73 σ1 = 13.00 σ2 = 1.53 n1 = 20 n2 = 20 a-1. Calculate the value of the test statistic. (Negative values should be indicated by a minus sign. Round all intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Test statistic ? a-2. Approximate the p-value. multiple choice 1 0.01 p-value < 0.025 0.025 p-value < 0.05 0.05 p-value < 0.10 p-value 0.10 p-value < 0.01 a-3. Do you reject the null hypothesis at the 5% level? multiple choice 2 No, since the p-value is more than α. No, since the p-value is less than α. Yes, since the p-value is more than α. Yes, since the p-value is less than α. b. Using the…

Answer 2

Question

Chapter 15.6, Problem 24E

a.

To determine

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test.

Find the p-value.

b.

To determine

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test.

Find the p-value.

c.

To determine

Write the hypotheses and any assumptions used in Parts (a) and (b).

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 3

Question

Chapter 15.6, Problem 24E

a.

To determine

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test.

Find the p-value.

b.

To determine

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test.

Find the p-value.

c.

To determine

Write the hypotheses and any assumptions used in Parts (a) and (b).

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 4

Question

Chapter 15.6, Problem 24E

a.

To determine

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test.

Find the p-value.

b.

To determine

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test.

Find the p-value.

c.

To determine

Write the hypotheses and any assumptions used in Parts (a) and (b).

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 5

Chapter 15.6, Problem 24E

a.

To determine

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test.

Find the p-value.

b.

To determine

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test.

Find the p-value.

c.

To determine

Write the hypotheses and any assumptions used in Parts (a) and (b).

Answer 6

Chapter 15.6, Problem 24E

a.

To determine

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test.

Find the p-value.

Answer 7

Chapter 15.6, Problem 24E

a.

To determine

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test.

Find the p-value.

Answer 8

b.

To determine

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test.

Find the p-value.

Answer 9

b.

To determine

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test.

Find the p-value.

Answer 10

c.

To determine

Write the hypotheses and any assumptions used in Parts (a) and (b).

Answer 11

c.

To determine

Write the hypotheses and any assumptions used in Parts (a) and (b).

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 15

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 16

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 17

Trending nowThis is a popular solution!

Answer 18

Trending nowThis is a popular solution!

Answer 19

Trending nowThis is a popular solution!

Answer 20

Trending now

Answer 21

This is a popular solution!

Answer 22

See solution

Check out sample textbook solution

Answer 23

Ch. 15.3 - What significance levels between = .01 and = .15...Ch. 15.3 - Prob. 2E Ch. 15.3 - Clinical data concerning the effectiveness of two...Ch. 15.3 - Prob. 4E Ch. 15.3 - New food products are frequently subjected to...Ch. 15.3 - On clear, cold nights in the central Florida...Ch. 15.3 - A psychological experiment was conducted to...Ch. 15.3 - Refer to Exercise 12.15. Using the sign test, do...Ch. 15.3 - Prob. 9E Ch. 15.4 - The accompanying table gives the scores of a group...

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test. Find the p -value.

Solution Summary: The author concludes that the data do not present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes.

Videos

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test.

Find the p-value.

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test.

Find the p-value.

Write the hypotheses and any assumptions used in Parts (a) and (b).

Chapter 15 Solutions

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test. Find the p -value.

Solution Summary: The author concludes that the data do not present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes.

Videos

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test. Find the p-value.

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test. Find the p-value.

Write the hypotheses and any assumptions used in Parts (a) and (b).

Chapter 15 Solutions

Check whether the data present sufficient evidence to indicate a difference in the locations of brightness measurements for the two processes using Mann‑Whitney U test.

Find the p-value.

Check whether the data present sufficient evidence to indicate a difference in mean brightness measurements for the two processes using the student’s t test.

Find the p-value.