Question

Zoologists studied the characteristics of the burrow systems of a subterranean rodent. A sample of 51 burrows had their depths, in centimeters, recorded in the following table.

15.5
15.6
18.1
18.3
13.4
15.8
14.4
12.4
11.5
12.6
17
16.4
16.2
16.7
12.6
14.3
15.7
13.4
17.7
12.4
18.3
16.4
13.4
14.6
14.9
12.4
11.1
16
17.4
8.9
19.4
17.4
15.3
15.8
19.7
14.8
12.5
12.9
13
16.6
17.7
13
14.5
16
11.5
15.4
16.8
9.1
15.3
18.3
14.5

. Find and interpret a 90% confidence interval for the mean depth of all subterranean rodent burrows. The 90 % confidence interval for μ is from xx to xx

(Round to three decimal places as needed.)

Can you breakdown the formula to find it without the standard deviation?

Answer 1