Question

Calculate mean and median for the following data Variable 118-126 127-135 136-144 145-153 153-162 163-171 172-180 Frequency 4 9 12 15 13 10 5

Answer 1

Answer:

median =l+n/2-cf /f ×h

median =145 + ( 20 -17 / 12 ) ×8

median = 145 +2 = 147

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Answer 2

Here is ur answer mate

Hope it helps yuh