Economy, asked by ayushi7618, 5 months ago

c.I 0-10 10-20 20-30 30-40 40-50 50-60 number of students 64 58 42 31 16 5

Answers

Answered by hanockgamer611
5

Answer:

Class Interval frequency  (fi) Mid value fixi 0-10 12 5 60 10-20 16 15 240 20-30 6 25 150 30-40 7 35 245 40-50 9 45 405                                                                  N=∑fi=50                                     ∑fixi=1100

∴Mean=∑fi∑fixi=501100=22

Answered by nandanipaul123
4

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