Arm circumferences of adult men are normally distributed with a mean of 33.64 cm and a standard deviation 4.14 cm. Describe the sampling distribution of a sample of 25 men. Indicate whether the distribution is normal and define the mean and standard deviation of such sampling distribution. f a test is significant at the 0.01 level, is it also necessarily significant at the 0.02 level? YES NO UNDETERMINED

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