A poll was conducted to investigate opinions about global warming. The respondents who answered yes when...

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 .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	328	168	37
Female	311	166	40

A. Find T statistics X²

B. Find R and C value

C. Restate the decision and address the original claim. Use this conclusion to determine what the results suggest about the sex of the respondent and the choice for the cause of global warming.

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orchestra answered 1 year ago

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