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A study investigating the relationship between caffeineinated coffee consumption and depression. 50,739 women free of depression symptoms were followed until 2006. 2,607 suffer from clinical depression. 48,132 do not suffer from clinical depression. (a). what type of test appropriate for evaluating the association between coffee and depression? (b). what is the hypothesis for the test identified in part (a). calculate the proortion of woman who do and who do not suffer from depression. (d). Identify the count for the highlighted cell, and calculate the contribution of this cell to the test statistic, i.e. (observed-expected) to the second power. /Expected. (e). The test statistic is x to the second power=20.93. What is the p-value? (f). what is the conclusion of the hypothesis test?
Sagot :
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