A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least nine years. A survey of companies reported in the Wall Street Journal found a sample mean tenure of a = 8.06 years for CEOS with a standard deviation of s = 6.92 years. a. Formulate hypotheses that can be used to challenge the validity of the claim made by the shareholders' group. Но : р - Select your answer - ♥ 9. Ha : H - Select your answer - 9. b. Assume 75 companies were included in the sample. What is the p-value for your hypothesis test? Enter negative value as negative number. t-value (to 3 decimals) p-value Select your answer - c. At a = 0.02, what is your conclusion? - Select your answer - v the null hypothesis. We - Select your answer - V enough evidence to disprove the shareholder group's claim.
A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least nine years. A survey of companies reported in the Wall Street Journal found a sample mean tenure of a = 8.06 years for CEOS with a standard deviation of s = 6.92 years. a. Formulate hypotheses that can be used to challenge the validity of the claim made by the shareholders' group. Но : р - Select your answer - ♥ 9. Ha : H - Select your answer - 9. b. Assume 75 companies were included in the sample. What is the p-value for your hypothesis test? Enter negative value as negative number. t-value (to 3 decimals) p-value Select your answer - c. At a = 0.02, what is your conclusion? - Select your answer - v the null hypothesis. We - Select your answer - V enough evidence to disprove the shareholder group's claim.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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