HW 6(1).pdf

# HW 6(1).pdf - SOC 3383 Homework 6 Due 2.00pm Friday Please...

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SOC 3383: Homework 6 Due 2.00pm Friday, September 29, 2017 Please follow the instructions for homework assignments mentioned on page 5 of the Syllabus carefully. 1. Suppose that the number of in cream cones eaten in a year by Americans is normally distributed and the mean number of ice cream cones Americans eat is 50 a year. Suppose that a researcher takes 1,000,000 samples of Americans, and each sample consists of 5 Americans. She asks each American how many ice cream cones they eat. She then calculates a mean for each of the 1,000,000 samples. If she added up the mean for each sample, and divided by 1,000,000, what would she get? Explain why. 5 points *********** 2. Not only is the mean of ice cream cones eaten per year by Americans 50, but the population standard deviation is 1.5. When the researcher from problem number 1 calculates a standard deviation for the distribution of sample means for her 1,000,000 samples, is the standard deviation of
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• Fall '11
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