A poll was conducted to investigate opinions about global warming. The respondents who answered yes when asked if there is solid evidence that the earth is getting warmer were then asked to select a cause of global warming. The results are given in the accompanying data table. Use a0.01significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do men and women appear to agree, or is there a substantial difference? Human activityNatural patternsDon't know Male33917526 Female34915625 If the null and alternative hypotheses are: H0: The sex of the respondent and the choice for the cause of global warming are independent. H1: The sex of the respondent and the choice for the cause of global warming are dependent. ** 1.Compute the test statistic:_____ ** 2. Find the critical value(s): ______ What is the conlcusion based on the hypothesis test?** 3. Fail to reject or reject H0. ** 4. There is or is not sufficent evidence to warrant rejection of the claim that the sex of the respondent is the choice for the cause of the global warming.

In this context, the aim is to test whether the sex of the respondent is independent of the choice…

Answered: A poll was conducted to investigate…

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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A poll was conducted to investigate opinions about global warming. The respondents who answered yes when asked if there is solid evidence that the earth is getting warmer were then asked to select a cause of global warming. The results are given in the accompanying data table. Use a

0.01

significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do men and women appear to agree, or is there a substantial difference?


	Human activity	Natural patterns	Don't know
Male	339	175	26
Female	349	156	25

If the null and alternative hypotheses are:

H0: The sex of the respondent and the choice for the cause of global warming are independent.

H1: The sex of the respondent and the choice for the cause of global warming are dependent.

** 1.Compute the test statistic:_____

** 2. Find the critical value(s): ______

What is the conlcusion based on the hypothesis test?

** 3. Fail to reject or reject H₀.

** 4. There is or is not sufficent evidence to warrant rejection of the claim that the sex of the respondent is the choice for the cause of the global warming.

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