Question

the mean weight of 8 numbers is 15kg . if each number is multiplied by 2 what will be the new mean

Answer 1

Answer:

New mean will be 30. If each number is being multiplied by a particular number, new mean will be the product of original mean and that number..

Step-by-step explanation:

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Answer 2

Answer:

The new mean will be 30 kg.

Step-by-step explanation:

Let the sum of 8 numbers be x.

X ÷ 8 = 15 kg.

Now if each number is multiplied by 2, then the mean will be 2(x) ÷ 8.

2(x) ÷ 8 = 2 (15 kg).

2(x) ÷ 8 = 30 kg.

Therefore the new mean is 30 kg.