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OpenStudy (anonymous):
Need answer for the second question. Find the population standard deviation (σ not S) for the data set: {75,80,90,95,75,85,55,80,90,95} Answer: 11.45 Question 2 Using the data from number 1 (use σ for the standard deviation when using the CV formula and do not round off unitl the final step), find the coefficient of variation. Write your answer as a percent (%) Round your answer to the nearest 10th. Answer:
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