Question: 10. Find the mean, population variance and population standard deviation X 20 18 16 14 CO N W 10 11. Compute the mean from the

10. Find the mean, population variance and population standard deviation X 20 18 16 14 CO N W 10 11. Compute the mean from the distribution table Quiz Scores f fx 20 2 18 3 15 5 13 1 10 4 12. Complete the table and find the following A. Find the percentile rank of 77 B. Find the percentile rank of 88 C. Find the 95th percentile X F cf % 96-100 2 91-95 4 86-90 5 81-85 7 76-80 2 71-75 3 66-70

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