A shareholders’ group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least nine years. Asurvey of companies reported in The Wall Street Journal found a sample mean tenure of \overline{x} x =7.27 years for CEOs with a standard deviation of s = 6.38 years (The Wall Street Journal, January 2, 2007).
Formulate hypotheses that can be used to challenge the validity of the claim made by the shareholders’ group.

Useful Hints. This indicator calculates the typical length of time employees stay with the company. Calculate the average tenure for all employees by deducting the employee's (employment) start date from the current date or the termination date when the employee has left.
The length of time that employees had been earning a wage or salary from their present company at the time of the survey is known as employee tenure. The median, which is the point at which half of all employees had greater tenure and half had less tenure, represents many of the estimates presented in this study.
In January 2022, the median tenure for women was 3.8 years, not changing from the median of 3.9 years in January 2020. In January 2022, males were more likely than women to have worked for their present employment for 10 years or longer, with a rate of 28%. (26 percent).

Find the attachment answers

Learn more about average tenure refer to :

https://brainly.com/question/16970532

#SPJ4