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A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive officer (CEO) was at least seven years. A survey of companies reported in The Wall Street Journal found a sample mean tenure of = 6.40 years for CEOS with a standard deviation of s=7.02 years. a. Formulate hypotheses that can be used to challenge the validity of the daim made by the shareholders' group. He:-Select your answer- v7 H.:u-select your answer- V b. Assume 90 companies were included in the sample. What is the prvalue for your hypothesis test? Enter negative value as negative number. tvalue (to 3 decimals) pvalue-select vour answer C. At a= 0.01, 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 officer (CEO) was at least seven years. A survey of companies reported in The Wall Street Journal found a sample mean tenure of = 6.40 years for CEOS with a standard deviation of s=7.02 years. a. Formulate hypotheses that can be used to challenge the validity of the daim made by the shareholders' group. He:-Select your answer- v7 H.:u-select your answer- V b. Assume 90 companies were included in the sample. What is the prvalue for your hypothesis test? Enter negative value as negative number. tvalue (to 3 decimals) pvalue-select vour answer C. At a= 0.01, 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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive officer (CEO) was at least seven years. A survey of companies reported in The Wall Street Journal found a sample mean tenure of Z = 6.40 years for CEOS with a standard deviation of s= 7.02 years. a. Formulate hypotheses that can be used to challenge the validity of the daim made by the shareholders' group. He : - Select your answer - H.: ul- Select your answer - V7 b. Assume 90 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) Pvalue - Select vour answer-V C. At a= 0.01, what is your conclusion? - Select your answer- vthe null hypothesis. We - Select your answer - venough evidence to disprove the shareholder group's claim.
Transcribed Image Text:A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive officer (CEO) was at least seven years. A survey of companies reported in The Wall Street Journal found a sample mean tenure of Z = 6.40 years for CEOS with a standard deviation of s= 7.02 years. a. Formulate hypotheses that can be used to challenge the validity of the daim made by the shareholders' group. He : - Select your answer - H.: ul- Select your answer - V7 b. Assume 90 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) Pvalue - Select vour answer-V C. At a= 0.01, what is your conclusion? - Select your answer- vthe null hypothesis. We - Select your answer - venough evidence to disprove the shareholder group's claim.
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