Explain the following statement in words that someone with no training in statistics would understand: The heights of adult males in the United States are bell-shaped, with a mean of about 70 inches and a standard deviation of about 3 inches.
Answer to relevant QuestionsThe Winters (CA) Express on April 4, 2013, reported that the seasonal rainfall (since July 1, 2012) for the year was 16.75 inches, and that the “average to April 3 is 20.09 inches.” Does this mean that the area received ...Refer to the test scores in the Exercise 4. a. Create a histogram for the test scores. b. Explain how you decided how many intervals to use for the histogram in part (a). c. Comment on the shape of the histogram in part (a). Using Table 8.1, a computer, or a calculator, determines the percentage of the population falling below each of the following standard scores: a. 21.00 b. 1.96 c. 0.84 In each of the following cases, explain how you know that the population of measurements could not be normally distributed. a. The population is all families in the world that have exactly four children, and the measurement ...Using Table 8.1, a computer, or a calculator, determines the standard score that has the following percentage of the population below it: a. 25% b. 75% c. 45% d. 98%
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