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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  x = 7.27 years  for CEOs with a standard deviation of  s = 6.38 years.   Assume 80 companies were included in the sample. What is the test statistic? (Round your answer to three decimal places.)   What is the p-value for your hypothesis test? (Round your answer to four decimal places.) p-value =

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  x = 7.27 years  for CEOs with a standard deviation of  s = 6.38 years.   Assume 80 companies were included in the sample. What is the test statistic? (Round your answer to three decimal places.)   What is the p-value for your hypothesis test? (Round your answer to four decimal places.) p-value =

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 3GP
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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 

x = 7.27 years

 for CEOs with a standard deviation of 

s = 6.38 years.
 
Assume 80 companies were included in the sample.
What is the test statistic? (Round your answer to three decimal places.)
 
What is the p-value for your hypothesis test? (Round your answer to four decimal places.)
p-value =  
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