It was thought that hypnosis would lower a person's desire to smoke. A researcher decided to investigate this hypothesis using a paired-sample sign test in which the number of cigarettes/day smoked by subjects was recorded before and after hypnosis. Given that the critical value at = 0.05 in a one-tailed test is 1, is there enough evidence to support the hypothesis?

Subject

1

2

3

4

5

6

7

8

9

10

Before Hypnosis (Cigarettes/day)

18

20

25

15

19

21

30

16

13

20

After Hypnosis (Cigarettes/day)

16

18

24

10

20

23

26

15

14

18

Question options:

Since the critical value is less than the test value, there is not enough evidence to reject the null hypothesis. Consequently, the data do not support the hypothesis that hypnosis reduces smoking.

Since the critical value is greater than the test value, there is not enough evidence to reject the null hypothesis. Consequently, the data do not support the hypothesis that hypnosis reduces smoking.

Since the critical value is less than the test value, there is enough evidence to reject the null hypothesis. Consequently, the data support the hypothesis that hypnosis reduces smoking.

Since the critical value is greater than the test value, there is enough evidence to reject the null hypothesis. Consequently, the data support the hypothesis that hypnosis reduces smoking.

Question 9