Suppose a group of 800 smokers (who all wanted to give up smoking) were randomly assigned to receive an antidepressant drug or a placebo for six weeks. Of the 376 patients who received the antidepressant drug, 106 were not smoking one year later. Of the 424 patients who received the placebo, 163 were not smoking one year later. Given the null hypothesis Ho : (Pdrue - Pplacebo) = 0 and the alternative hypothesis Ha : (Pdrug - Pplacebo) # 0, conduct a test to see if taking an antidepressant drug can help smokers stop smoking. Use a = 0.03, (a) The test statistic is (b) The P-value is (c) The final conclusion is OA. There seems to be evidence that the patients taking the antidepressant drug have a different success rate of not smoking after one year than the placebo group. B. There is not sufficient evidence to determine whether the antidepressant drug had an effect on changing smoking habits after one year.

Suppose a group of 800 smokers (who all wanted to give up smoking) were randomly assigned to receive an antidepressant drug or a placebo for six weeks. Of the 376 patients who received the antidepressant drug, 106 were not smoking one year later. Of the 424 patients who received the placebo, 163 were not smoking one year later. Given the null hypothesis Ho : (Pdrue - Pplacebo) = 0 and the alternative hypothesis Ha : (Pdrug - Pplacebo) # 0, conduct a test to see if taking an antidepressant drug can help smokers stop smoking. Use a = 0.03, (a) The test statistic is (b) The P-value is (c) The final conclusion is OA. There seems to be evidence that the patients taking the antidepressant drug have a different success rate of not smoking after one year than the placebo group. B. There is not sufficient evidence to determine whether the antidepressant drug had an effect on changing smoking habits after one year.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

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Please see below. I need help with this asap please and thank you. Note that I'm only given one attempt at this. I have worked this out already, but I'm not 100% certain my answers are right.

Suppose a group of 800 smokers (who all wanted to give up smoking) were randomly assigned to receive an antidepressant drug or
a placebo for six weeks. Of the 376 patients who received the antidepressant drug, 106 were not smoking one year later. Of the 424 patients
who received the placebo, 163 were not smoking one year later. Given the null hypothesis Ho : (pdrue - Pplacebo) = 0 and the alternative
hypothesis Ha : (Pdrug – Pplacebo) # 0, conduct a test to see if taking an antidepressant drug can help smokers stop smoking. Use
a = 0.03,
(a) The test statistic is
(b) The P-value is
(c) The final conclusion is
O A. There seems to be evidence that the patients taking the antidepressant drug have a different success rate of not smoking after one
year than the placebo group.
O B. There is not sufficient evidence to determine whether the antidepressant drug had an effect on changing smoking habits after one year.

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