A personnel psychologist measures the average tenure of employees. The average number of years 41 employees work
Question:
a. What point estimate should the personnel psychologist predict for a new employee's tenure?
b. In constructing an interval estimate for new employee, what number of years will fall in the center of the interval?
c. The personnel psychologist can be 99% confident that the mean number of years for new employees will fall between which two values?
d. If the personnel psychologist had measured the age of 25 employees rather than 41, would the confidence interval be wider or narrower? Why?
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