After constructing a relative frequency distribution summarizing IQ scores of co

Question

After constructing a relative frequency distribution summarizing IQ scores of college students, what should be the sum of the relative frequencies? Choose the correct answer below. A. lf percentages are used, the sum should be o% lf proportions are used, the sum should be 100 B. If percentages are used, the sum should be 1%. If proportions are used, the sum should be 100 C. If percentages are used, the sum should be 100%. If proportions are used, the sum should be 100. D. If percentages are used, the sum should be 100%. Lf proportions are used, the sum should be 1.

Explanation / Answer

as sum of relative frequency is equal to 1 unit.

option D is correct

if percentage are used ; the sum should be 100% ; if proportions are used the sum should be 1.

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