It Was Thought That Hypnosis Would Lower a Person's Desire $\alpha = 0.05$

question 61

Multiple Choice

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 $\alpha = 0.05$ in a one-tailed test is 1 , is there enough evidence support the hypothesis?
$\begin{array}{c|cccccccccc}\text { Subject } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\\hline \text { Before Hypnosis (Cigarettes/day) } & 18 & 20 & 25 & 15 & 19 & 21 & 30 & 16 & 13 & 20 \\\text { After Hypnosis (Cigarettes/day) } & 16 & 18 & 24 & 10 & 20 & 23 & 26 & 15 & 14 & 18\end{array}$

• A) 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.
• B) 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.
• C) 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.
• D) 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.

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