If mean of percentages, rates and ratios is to be calculated then central tendency measures which must…
When combining percentages, rates, or ratios derived from groups with different base sizes, an unweighted average can be misleading; the "weighted arithmetic mean" must be…
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If mean of percentages, rates and ratios is to be calculated then central tendency measures which must be used in this situation is
Answer and explanation
Correct answer A
When combining percentages, rates, or ratios derived from groups with different base sizes, an unweighted average can be misleading; the "weighted arithmetic mean" must be used, taking the base values (denominators) of each group as weights.
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RPSC School Lecturer (School Education)