A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive officer (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.
(b) Assume that 85 companies were included in the sample. What is the p value for your hypothesis test? If required, round your answer to four decimal places.
the sample information:
This is a one sample T-test for the mean.
Hence we can conclude that we have no evidence that the mean tenure for a chief executive officer (CEO) was at least nine years
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