Math, asked by vaishnavi3435, 5 hours ago

The mean of 20 numbers is 18. If 3 is added to each of the first 10 numbers, find the nean of the new set of 20' number​

Answers

Answered by allibliyashwanth
0

Answer:

Mean of 20 numbers = 18. Sum of these numbers = 20 × 18 = 360. When 3 is added to each of the first ten numbers, Total increment in sum = 10 × 3 = 30.

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