A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least eight years. A survey of companies reported in the Wall Street Journal found a sample mean tenure x = 7.56 of years for CEOs with a standard deviation of years s = 6.67 years.

A. Formulate hypotheses that can be used to challenge the validity of the claim made by the shareholders' group.

B. Assume 70 companies were included in the sample. What is the p-value for your hypothesis test?

C. At α = 0.02, what is your conclusion?

Question

Tristin Burke

30 November, 12:33

+1

Answers (1)

Know the Answer?

Bentley Rangel · Answer 1

Bentley Rangel 30 November, 15:27

0

could be c might be a also