Question 7: The working hours of a PhD student is known to be approximately normallydistributed, with standard deviation o = 2.5 hours . A random sample of 32 different days of hisworking hours were recorded as below.11.511.815.716.114.110.59.31515.21912.812.419.213.512.213.316.513.514.416.710.91310.315.815.117.113.312.48.514.312.913.5a. Is there evidence to support the claim that working hours of the PhD student exceeds 13hours? Use a =0.05.b. What is the P-value for the test in part (a)?c. What is the B-error for the test in part (a) if the true mean of working hours is 14 hours?d. Explain how you could answer the question in part (a) by calculating an appropriateconfidence bound on life.

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Answered: a. Is there evidence to support the…

Math

Statistics

a. Is there evidence to support the claim that working hours of the PhD student exceeds 13 hours? Use a =0.05. b. What is the P-value for the test in part (a)?

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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