Question

The arithmetic mean of 8 no. is 72. if 3 is subtracted from each no. then the arithmetic mean of the new mean will be?​

Answer 1

Step-by-step explanation:

Sum of 8 numbers = 72×8 = 576

when 3 is subtracted from each number , then Sum of these 8 numbers

= 576 - 24 = 552

Now , the New mean = 552/8 = 69

Answer 2

Step-by-step explanation:

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