Pain medications sometimes come with side effects. One side effect is dizziness. A researcher wanted to determine if some pain medications produced more or less dizziness than others. The results from his study are shown in the table below. Use a test to determine if the proportion of people within each treatment group who experienced dizziness are the same at the α = .01 level of significance. Tordol Placebo Naproxen Tylenol Advil Dizziness 83 32 36 5 8 No dizziness 4063 1832 1330 382 337 1) Determine the null and alternative hypotheses. Select the correct pair. Ho:The proportion of people within each treatment group who experienced dizziness are independent Ha: The proportion of people within each treatment group who experienced dizziness are dependent Ho:The proportion of people within each treatment group who experienced dizziness are the same Ha: The proportion of people within each treatment group who experienced dizziness are different 2) Determine the test Statistic. Round your answer to two decimals. χ2 = 3) Determine the p-value. Round your answer to four decimals. p-value = 4) Make a decision. Fail to reject the null hypothesis Reject the null hypothesis 5) Pick a conclusion. There is sufficient evidence to support the claim that proportion of people within each treatment group who experienced dizziness are different There is not sufficient evidence to support the claim that the proportion of people within each treatment group who experienced dizziness are different

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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Pain medications sometimes come with side effects. One side effect is dizziness. A researcher wanted to determine if some pain medications produced more or less dizziness than others. The results from his study are shown in the table below. Use a test to determine if the proportion of people within each treatment group who experienced dizziness are the same at the α = .01 level of significance.

	Tordol	Placebo	Naproxen	Tylenol	Advil
Dizziness	83	32	36	5	8
No dizziness	4063	1832	1330	382	337

1) Determine the null and alternative hypotheses. Select the correct pair.

Ho:The proportion of people within each treatment group who experienced dizziness are independent
Ha: The proportion of people within each treatment group who experienced dizziness are dependent
Ho:The proportion of people within each treatment group who experienced dizziness are the same
Ha: The proportion of people within each treatment group who experienced dizziness are different

2) Determine the test Statistic. Round your answer to two decimals.

χ2 =

3) Determine the p-value. Round your answer to four decimals.

p-value =

4) Make a decision.

Fail to reject the null hypothesis
Reject the null hypothesis

5) Pick a conclusion.

There is sufficient evidence to support the claim that proportion of people within each treatment group who experienced dizziness are different
There is not sufficient evidence to support the claim that the proportion of people within each treatment group who experienced dizziness are different

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