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You wish to know whether, on average, peoples' level of concern about climate change is related to the number of miles they have flown on
You wish to know whether, on average, peoples' level of concern about climate change is related to the number of miles they have flown on airplanes for non-business reasons in the past year and their political orientation. You draw a random sample and ask each person three questions: (1) "on a scale of 0 (not at all concerned) to 10 (very concerned), how concerned are you about climate change?", (2) "how many miles have you flown on airplanes for non-business reasons in the past year?", and (3) "on a scale of -3 (very conservative) to +3 (very liberal), where does your political orientation fall?" The two simple linear regressions yielded: bl values of -,0002 for miles (p .02) and 1,2 (p=.03) for political orientation; a coefficient of determination of ,15 for miles and , 10 for political orientation; an adjusted coefficient of determination of, 13 for miles and ,08 for political orientation; Global F p-values of ,04 for miles and ,06 for political orientation. The multiple regression yielded: An intercept of 5,00; b values of -.0001 for miles (p=.06) and 1,0 (p .04) for political orientation; a coefficient of determination of ,20; an adjusted coefficient of determination of ,15; a Global F p-value of,04. Based on these data: 9. Can we be 95% confident that concern about climate change can be predicted from miles flown? (Y/N): Why/Why not
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