Identify the null and alternative hypotheses. Compute the test statistic. (round 3 decimal places) Find the critical value(s). (round 3 decimal places) What is the conclusion based on the hypothesis test?

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Identify the null and alternative hypotheses.
Compute the test statistic. (round 3 decimal places)
Find the critical value(s). (round 3 decimal places)
What is the conclusion based on the hypothesis test?
Transcribed Image Text:Identify the null and alternative hypotheses. Compute the test statistic. (round 3 decimal places) Find the critical value(s). (round 3 decimal places) What is the conclusion based on the hypothesis test?
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
307
Male
139
60
Female
327
158
59
Click here to view the chi-square distribution table.
Identify the null and alternative hypotheses.
Ho:
The sex of the respondent
and the choice for the cause of global warming are independent.
The sex of the respondent
and the choice for the cause of global warming are dependent.
Compute the test statistic.
(Round to three decimal places as needed.)
Transcribed Image Text: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 307 Male 139 60 Female 327 158 59 Click here to view the chi-square distribution table. Identify the null and alternative hypotheses. Ho: The sex of the respondent and the choice for the cause of global warming are independent. The sex of the respondent and the choice for the cause of global warming are dependent. Compute the test statistic. (Round to three decimal places as needed.)
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