Math, asked by ayushi1491, 10 months ago

Calculate the mean for the following frequency distribution Marks 15-19, 20-24, 25-29,30-34,35-39,40-49
Frequency 6,5,9,12,6,2

Answers

Answered by ramesh4046

0

Step-by-step explanation:

mean = sum of all observation / total num. of observation

= 6+5+9+12+6+2 / 6

= 40/6

= 8,33

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