Question: (a) A researcher surveyed married women and single women to ascertain whether there was a difference in the number of books each had read during the past year. The data is shown below.

Books Read

Married Single

6 2

8 3

7 5

4 11

9 3

12 5

13 11

7 12

10 16

18 4

15 0

1

You can’t assume normality, so use an appropriate nonparametric method to

Test the claim that each group read the same number of books. Test using a

significance level of 10%. Draw appropriate conclusions.

(b) You are curious what the result would be if you used a parametric technique,

so please re-do the analysis using the appropriate two sample t-test. Comment on

the result.

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