Question

the mean of 45 numbers is 25 if each number is multiplied by 3 find the new mean​

Answer 1

This problem is solved with the help of theorems on mean.

Theorem 3: If mean of some observations are x and each observation is multiply by n,than new mean will be = nx

The mean of 45 numbers is 25 if each number is multiplied by 3,than the new mean

= old mean × 3

= 25×3

= 75

Thanks

Mark branliest

@ Run and dive into the sky

Answer 2

Answer:

answer is 75ok I hope it gives you the answer