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Question 7 Both the variance and standard deviation are intended to provide a mea- sure of the variability of a set of data values about

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Question 7 Both the variance and standard deviation are intended to provide a mea- sure of the variability of a set of data values about which of the following? (A) mean (B) median (C) mode (D) range Question 8 Consider the following data as a sample, and calculate the variance to three decimal places. 15. 33. 30. 50. 0 (A) 359.300 (B) 287.440 (C) 13.955 (D) 16.954

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