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.
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 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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a0ca412-116f-488b-9f1f-b94c6784a43c%2F1b5da430-051f-4a86-bb92-6cb1bb25c161%2Fa7e4nj_processed.jpeg&w=3840&q=75)
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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