Test whether there is any difference population median scores on the two exams at α = 0.05 . Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

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Answer 1

Question

Chapter 16.3, Problem 6SE

a.

To determine

Test whether there is any difference population median scores on the two exams at α=0.05.

Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

b.

To determine

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat.

Identify whether the same decision is arrived.

Expert Solution & Answer

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30. An individual who has automobile insurance from a certain company is randomly selected. Let Y be the num- ber of moving violations for which the individual was cited during the last 3 years. The pmf of Y isy | 1 2 4 8 16p(y) | .05 .10 .35 .40 .10 a.Compute E(Y).b. Suppose an individual with Y violations incurs a surcharge of $100Y^2. Calculate the expected amount of the surcharge.

24. An insurance company offers its policyholders a num- ber of different premium payment options. For a ran- domly selected policyholder, let X = the number of months between successive payments. The cdf of X is as follows: F(x)=0.00 : x < 10.30 : 1≤x<30.40 : 3≤ x < 40.45 : 4≤ x <60.60 : 6≤ x < 121.00 : 12≤ x a. What is the pmf of X?b. Using just the cdf, compute P(3≤ X ≤6) and P(4≤ X).

Answer 2

Question

Chapter 16.3, Problem 6SE

a.

To determine

Test whether there is any difference population median scores on the two exams at α=0.05.

Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

b.

To determine

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat.

Identify whether the same decision is arrived.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 16.3, Problem 6SE

a.

To determine

Test whether there is any difference population median scores on the two exams at α=0.05.

Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

b.

To determine

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat.

Identify whether the same decision is arrived.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 16.3, Problem 6SE

a.

To determine

Test whether there is any difference population median scores on the two exams at α=0.05.

Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

b.

To determine

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat.

Identify whether the same decision is arrived.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 16.3, Problem 6SE

a.

To determine

Test whether there is any difference population median scores on the two exams at α=0.05.

Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

b.

To determine

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat.

Identify whether the same decision is arrived.

Answer 6

Chapter 16.3, Problem 6SE

a.

To determine

Test whether there is any difference population median scores on the two exams at α=0.05.

Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

Answer 7

Chapter 16.3, Problem 6SE

a.

To determine

Test whether there is any difference population median scores on the two exams at α=0.05.

Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

Answer 8

b.

To determine

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat.

Identify whether the same decision is arrived.

Answer 9

b.

To determine

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat.

Identify whether the same decision is arrived.

Answer 10

Expert Solution & Answer

Answer 11

Expert Solution & Answer

Answer 12

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Answer 13

Ch. 16.2 - Prob. 1SE Ch. 16.2 - Prob. 2SE Ch. 16.2 - Prob. 3SE Ch. 16.2 - Prob. 4SE Ch. 16.3 - A sample of 28 student scores on the chemistry...Ch. 16.3 - Prob. 6SE Ch. 16.4 - Prob. 7SE Ch. 16.4 - Prob. 8SE Ch. 16.5 - Prob. 9SE Ch. 16.5 - The results shown below are mean productivity...

Test whether there is any difference population median scores on the two exams at α = 0.05 . Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

Solution Summary: The author concludes that there is a difference in the population median scores for the two exams scores at 5% level of significance.

Test whether there is any difference population median scores on the two exams at α=0.05.

Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat.

Identify whether the same decision is arrived.

Want to see the full answer?

Chapter 16 Solutions

Test whether there is any difference population median scores on the two exams at α = 0.05 . Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

Solution Summary: The author concludes that there is a difference in the population median scores for the two exams scores at 5% level of significance.

Test whether there is any difference population median scores on the two exams at α=0.05. Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat. Identify whether the same decision is arrived.

Want to see the full answer?

Chapter 16 Solutions

Test whether there is any difference population median scores on the two exams at α=0.05.

Make an excel worksheet for calculating the Wilcoxon-signed rank test and check the calculations with MegaStat.

Conduct two-tailed parametric t test for the paired two-sample means using Excel or MegaStat.

Identify whether the same decision is arrived.