A physician employed by a large corporation believes that due to an increase in sedentary life in the past decade, middl

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A Physician Employed By A Large Corporation Believes That Due To An Increase In Sedentary Life In The Past Decade Middl 1 (29.63 KiB) Viewed 25 times

A physician employed by a large corporation believes that due to an increase in sedentary life in the past decade, middle aged men have become fatter. In 1995 - The corporation measured the percentage of fat in their employees. For the middle-aged men, the weights were normally distributed with a mean of 22%. To test her hypothesis, the physical measures of the fat percentage in a random sample of 12 middle-aged men currently employed by the corporation. The fat percentages found were as follows: 20, 40, 29, 32, 33, 25, 15, 22, 18, 25, 16, 27 State the directional alternative hypothesis and null hypothesis. A. Null: Middle-aged men are getting fatter B. Alternative: Middle aged men are getting skinnier or have not changed in weight. C. Null: Middle aged men are getting skinnier or have not changed in weight be חל D. Alternative: Middle-aged men are getting fatter