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QUESTION

44. AgesofConsumersFor this dataset, find the mean and standard deviation of the variable. The data represent the ages of 30 customers who ordered a product advertised on television. Count the number

44. AgesofConsumers

For this dataset, find the mean and standard deviation of the variable. The data represent the ages of 30 customers who ordered a product advertised on television. Count the number of data values that fall within 2 standard deviations of the mean. Compare this with the number obtained from Chebyshev’s theorem. Comment on the answer. 93.3%; All but two data values fall within 2 standard deviations of the mean.

42 44 62 35 20 30 56 20 23 41

55 22 31 27 66 21 18 24 42 25

32 50 31 26 36 39 40 18 36 22

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