Sentences were chosen at random from Fritjof Capra's book The Tao of Physics. The number of words in the sentences were counted. This is the result.

12

8

6

22

4

4

22

11

5

6

12

10

14

6

19

14

8

21

19

19

15

19

13

10

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.