Math, asked by vijaypothnak, 1 year ago

X. F
10. 17
30. 5a+3
50. 32
70. 7a -11
90. 19
Find the value of a and hence the frequencies of 30 and 70 and mean is 50

Answers

Answered by monamudgil04

0

Answer:

X=250 and F = 100 I do'nt know

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