Math, asked by mohanesh, 18 days ago

the am of 10 numbers is 7 the am of 15 students is 12 then mean of all observations

Answers

Answered by rathoreanita2708

1

Step-by-step explanation:

Mean of all numbers=(X+Y)/total numbers. =(70+180)/(10+15)=10. Thus the answer is .

hope it will help u.

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