Two groups X(non-Hunters) and Y(Hunters) are given a questionnaire about their opinion on hunting. Each non hunter was matched with a hunter as far as age, income and education. High scores is positive for supporting hunting.

Questionnaire Scores

HUNTER NON-HUNTER

22 25

19 23

18 20

17 18

15 12

10 9

6 4

4 3

QUESTIONS

1.What statistical method should be used and why?

2.Calculate a 95%confidence interval about the difference in the two populations.

3. Used the confidence interval to test the null hypothesis that hunters and non-hunters have identical attitude toward hunting.

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