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D Question 4 10 pts Use the inverse empirical CDF method in the linear interpolation formula to estimate the 31.5 percentile for the following grouped

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D Question 4 10 pts Use the inverse empirical CDF method in the linear interpolation formula to estimate the 31.5 percentile for the following grouped frequency distribution. Round the answer to four decimal places. X f 10-20 2 20-30 6 30-40 2 40-50 0 50-60 60-70 1 D Question 5 10 pts Use the normal distribution method in the linear interpolation formula to estimate the 21.39 percentile for the following grouped frequency distribution. Round the answer to four decimal places X f 10-20 7 20-30 1 30-40 9 40-50 8 50-60 4 60-70 7

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