Sentences were chosen at random from Homer's book The Odyssey. The number of words in the sentences were counted. This is the result.

5

23

6

6

13

13

17

20

20

21

16

16

22

10

21

20

20

19

7

12

17

21

19

17

Problem:

Use the data above to: a) determine the mean and sample standard deviation, b) calculate a 95% margin of error, c) determine the respective confidence interval.