Math, asked by tejaskshirsagar9999, 7 months ago

If n1 = 10, n2 = 20,X1 = 25 and X2 = 20 then combined mean..
a) 20
b)21.7
c)22
d)none of these

Answers

Answered by AmanBelwal

1

Answer:

21.7

Step-by-step explanation:

21.7 is the correct ans

Answered by Anonymous

0

Answer:

The answer 21.7 option is b

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