Math, asked by JasonR9431, 10 months ago

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

Answers

Answered by Anonymous

10

Step-by-step explanation:

Sum of 10 numbers = 70

Sum of 15 numbers = 180

Sum of 25 numbers = 250

combined mean is 250/25 = 10

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