(6.2) 4

In a random sample of

25

people, the mean commute time to work was

31.1

minutes and the standard deviation was

7.3

minutes. Assume the population is normally distributed and use a t-distribution to construct a

98%

confidence interval for the population mean

.

What is the margin of error of

?

Interpret the results.

Question content area bottom

Part 1

The confidence interval for the population mean

is enter your response here,enter your response here.

(Round to one decimal place as needed.)