A. In words, state what your random variable Xd represents.B. State the distribution used for the testC. What is the test statistic? (If using the z distribution round your answer to two decimal places, and if using the t distribution round your answer to three decimal places.)d. What is the p-value? Explainwhat the p-value means fo this problem At Rachel's 11th birthday party, 8 girls were timed to see how long (in seconds) they could hold their breath in a relaxed position. After a two-minute rest,they timed themselves while jumping. The girls thought that the mean difference between their jumping and relaxed times would be zero. Test theirhypothesis at the 5% level.Relaxed time (seconds) Jumping time (seconds)25214543312622212325454337353229NOTE: If you are using a Student's t-distribution for the problem, including for paired data, you may assume that the underlying population is normallydistributed. (In general, you must first prove that assumption, though.)

Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

A. In words, state what your random variable Xd represents. B. State the distribution used for the test C. What is the test statistic? (If using the z distribution round your answer to two decimal places, and if using the t distribution round your answer to three decimal places.)

A. In words, state what your random variable Xd represents. B. State the distribution used for the test C. What is the test statistic? (If using the z distribution round your answer to two decimal places, and if using the t distribution round your answer to three decimal places.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A. In words, state what your random variable X_d represents.

B. State the distribution used for the test

C. What is the test statistic? (If using the z distribution round your answer to two decimal places, and if using the t distribution round your answer to three decimal places.)

d. What is the p-value? Explainwhat the p-value means fo this problem

At Rachel's 11th birthday party, 8 girls were timed to see how long (in seconds) they could hold their breath in a relaxed position. After a two-minute rest,
they timed themselves while jumping. The girls thought that the mean difference between their jumping and relaxed times would be zero. Test their
hypothesis at the 5% level.
Relaxed time (seconds) Jumping time (seconds)
25
21
45
43
31
26
22
21
23
25
45
43
37
35
32
29
NOTE: If you are using a Student's t-distribution for the problem, including for paired data, you may assume that the underlying population is normally
distributed. (In general, you must first prove that assumption, though.)

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