For each hypothesis test you complete, please answer questions (a) through (i) listed below. (a) What conditions should you check first before you conduct the hypothesis test? (b) Write the null and alternative hypotheses. (c) What type of test are you doing: right-tailed, left-tailed or two-tailed? (d) What formula should be used for the test statistic? (e) What number is the test statistic equal to? (f) Sketch a graph of the p-value (g) What p-value do you obtain? Round to the ten-
For each hypothesis test you complete, please answer questions (a) through (i) listed below. (a) What conditions should you check first before you conduct the hypothesis test? (b) Write the null and alternative hypotheses. (c) What type of test are you doing: right-tailed, left-tailed or two-tailed? (d) What formula should be used for the test statistic? (e) What number is the test statistic equal to? (f) Sketch a graph of the p-value (g) What p-value do you obtain? Round to the ten-
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
For each hypothesis test you complete, please answer questions (a) through (i) listed below.
(a) What conditions should you check first before you conduct the hypothesis test?
(b) Write the null and alternative hypotheses.
(c) What type of test are you doing: right-tailed, left-tailed or two-tailed?
(d) What formula should be used for the test statistic?
(e) What number is the test statistic equal to?
(f) Sketch a graph of the p-value
(g) What p-value do you obtain? Round to the ten-thousandths.
(h) Do you reject the null hypothesis or fail to reject the null hypothesis? Explain.
(i) Please write a conclusion sentence, in the context of the problem, that explains to a lay person the result of the hypothesis test.
Transcribed Image Text:6. A gastrointestinal stromal tumor is a rare form of cancer that develops
in muscle tissue and blood vessels within the stomach or small intes-
tine. In a study, 600 subjects had surgery to remove the tumor. For
one year after surgery, 300 subjects took a drug and 300 subjects took
a placebo. The results are shown in the pie charts below. At a =
0.10, can you support the claim that the proportion of subjects who
are cancer-free after one year is greater for subjects who took the drug
than for subjects who took a placebo?
Are You Cancer-Free
One Year After Surgery?
No
51
No
9
Yes
Yes
291
249
Drug
Placebo
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