Investigate opinions about global warming The respondents who answered yes when asked if there is solid evidence that the earth

Question

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 Th 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 35 36 Male 147 Female 170 Click here to view the chi square distribution table 331 311 Identify the null and alternative hypotheses Ho The sex of the respondent and the choice for the cause of global warming are independent H 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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