Math, asked by krishnarauni, 1 day ago

a sample of 15 measurements has a mean of 14.2 and a sample of 10 measurements has a mean of 12.6. find the mean of the total sample of 25 measurements.

Answers

Answered by sankett200950

1

Answer:

13.56

Step-by-step explanation:

15x14.2=213

10x12.6=126

New mean=213+126=339/25=13.56

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