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Assume that the town of Lone Rock is comprised of twenty married couples (i.e., a paired sample). The mean difference between males' and females' BMIs

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Assume that the town of Lone Rock is comprised of twenty married couples (i.e., a paired sample). The mean difference between males' and females' BMIs is 5 kg/m2, and the differences have a standard deviation (Sd) of 4.0. BMI Difference Std. deviation N (kg/m2) Difference Married Couples 20 5.0 4.0 Question What is the value of the null hypothesis for the difference in BMI between males and females

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