# Formulating hypothesis and choosing the appropriate test when dealing with proportions [closed]

Monoamine inhibitors are highly effective in treating patients who suffer from panic attacks, providing relief to 80% of individuals who take them. Investigators believe that monoamine inhibitors used in conjunction with behavioral therapy will increase the proportion of patients to whom relief is provided. In a small-scale study, they observe that 9 of 10 patients following this dual regimen experience relief.

1. The null hypothesis is:
a. p = 0.8
b. p > 0.8
c. pMB – pM = 0
d. pMB – pM > 0
e. None of the above

2. Which statistical test is appropriate to examine the question of interest in this study?
a. z-test for two proportions, independent groups
b. Chi-square test for independence
c. z-test, one proportion
d. McNemar’s test
e. None of the above

(Edit: the OP had edited this question to eliminate all text, and only write "none of the above" many times over. It has been rolled back so that the original content can be seen and the question can still be intelligible.)

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What problem do you face, specifically, in answering this question? (For information about how to pose a good question here, please read our faq.) – whuber Oct 29 '12 at 20:39
Hi.. i was hoping you would suggest answers (a,b,c,d,e) for each of the 2 questions because i am doing a review and want to make sure my answers are correct..thanks – Francois Oct 29 '12 at 21:07
We take a different approach to asking and answering questions here, Francois. You need to indicate what efforts you have made in answering your question and where you got stuck. Also, we expect questions to be able to stand on their own: that means you need to explain abbreviations like "pMB" and "pM". If you don't indicate the question is for homework or self-study, you will get lots of requests for the context and you might find that distracting; on the other hand, our policy is not to provide answers for homework questions, but helpful guidance. – whuber Oct 30 '12 at 1:09

## closed as not constructive by whuber♦Nov 5 '12 at 19:56

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