SCENARIO 8-5
A sample of salary offers (in thousands of dollars)given to management majors is: 48, 51, 46,
52, 47, 48, 47, 50, 51, and 59.Using this data to obtain a 95% confidence interval
resulted in an interval from 47.19 to 52.61.
-True or False: Referring to Scenario 8-5, a 99% confidence interval for the mean of the
population from the same sample would be wider than 47.19 to 52.61.

Question

Quizplus · Accepted Answer

A 99% confidence interval is wider than a 95% confidence interval because it provides more certainty that the interval contains the population mean, thus requiring a larger range.

SCENARIO 8-5 a Sample of Salary Offers (In Thousands of Dollars)given to Dollars)given