Mathematics, 12.03.2021 15:10 murphyscott794
Market researchers interviewed a random sample of 60 men and a random sample of 55 women about their preferences for different color designs for the packaging of a certain product. Of those interviewed, 23 men and 28 women preferred color design X. What is the correct test statistic for a two-sample z-test for a difference in population proportions for men and women (men minus women) in their preference for color design X ?
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Market researchers interviewed a random sample of 60 men and a random sample of 55 women about their...
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