Math, asked by dhruuv362, 1 year ago

The mean of 25 numbers is 18. If 12 is added tp every number what will be the new mean

Answers

Answered by mincymurali

1

Answer:

20

Step-by-step explanation:

Mean of 25 numbers,

Sum of 25 numbers be x

Mean = x/25 = 18

x = 450

2 added to each number (25 times),

Mean = [x + (25*2)] / 25 = (450 + 50) / 25 = 500/25 = 20

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