Math, asked by karwalsukhdeep81, 4 months ago

(b) If 150 is the mean of 200 observations
and 100 is the mean of some 300 other
observations, find the mean of the
combination.
The
mean of a certain
number of

Answers

Answered by sapnabesar96

2

Answer:

120

Step-by-step explanation:

x/200=150

x=30000

y/300=100

y=30000

60000/500=120

Answered by singhasangita671

0

Answer:

120 is the right answer.

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