2. The following is the distribution of the percentage of students belonging to a certain minority group in 40 schools: Prof a. Calculate the mean. b. Calculate the mode. Percentage Frequenc 14 5-9 11 10-14 7 15-19 6 20-24 2 c. Calculate the median. d. Calculate s² for this distribution (i) without coding; (ii) with coding. e Calculate C.V. f. Calculate Sk.

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