Economy, asked by aryan2006303, 7 months ago

84. 2
84. The mean of two groups of the size
of 20 and 30 are 100 and 70
respectively. Calculate Combined
Mean
(A) 90
(B) 80
(C) 81
(D) 82

Answers

Answered by AtqClasses

1

82

(D) 82

is the correct answer

pls mark as brainliest ❤️

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