Math, asked by ysamsher37422gmail, 7 months ago

if the mean of the following distribution is 50 find the value of a and hence find the frequencies of 30 and 70
x: 10 30 50 70 90
f: 17 5a+3 32 7a -11 19

Answers

Answered by kanishkasaini11

1

Answer:

please tell me again this question

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