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 0.05 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 knowMale       313                    133                       52Female  306                     157                      49 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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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 0.05

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       313                    133                       52
Female  306                     157                      49

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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