TABLE 8-6
A sample of salary offers (in thousands of dollars) given to management majors is: 28, 31, 26, 32, 27, 28, 27, 30, 31, and 29. Using this data to obtain a 95% confidence interval resulted in an interval from 27.5 to 30.3.
-Referring to Table 8-6, the confidence interval obtained is valid only if the distribution of the population of salary offers is normal.

Question

Quizplus · Accepted Answer

In order to use a confidence interval, the data must be approximately normally distributed. Therefore, the confidence interval obtained in this case is only valid if the distribution of salary offers is normal.

TABLE 8-6 A Sample of Salary Offers (In Thousands of Dollars) Given