Question

-) Mean -91, fi= 150
CI 0-30
f 12
30-60
y
60-90
34
90-120
x
120-150
20
150-180
11
​

Answer 1

Answer:

first of all please clear it is -91 or 91

I solved it by taking 91 as mean.

so your x is 52 and y is 21

hope it will help you

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