Discussion

Find the median of the following frequency distribution:

Value (x)	10	12	14	16	18
Frequency (f)	3	5	6	4	2

Answer: C

First, find the total frequency (N) and the cumulative frequency (cf).

N = 3+5+6+4+2 = 20.

The median term is the average of the N/2 and (N/2)+1 terms, i.e., the 10th and 11th terms.

Both the 10th and 11th terms fall in the group where the value is 14. Therefore, the median is 14.

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