Biology, asked by siddivenkatramireddy, 4 months ago

If the mean of 10 numbers is 7 and mean of 15 numbers is 12,then the combined mean is


Answers

Answered by dkchakrabarty01
3

Answer:

10×7=70 = total of 10 numbers

15×12=180=total of 15 numbers

Total of 25 numbers =180+70=250

Mean=250/25= 10

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