Question

there are 50 numbers each no.is sbtracted from53 and the mean of the no.is obtained is found to be 3.5 the mean of the given no. is​

Answer 1

Answer:

56.5

Step-by-step explanation:

Let x be the mean of 50 numbers.

∴ sum of 50 numbers = 50x

Since each number is subtracted from 53.

According to question, we have

53 × 50 - 50x / 50 = - 3.5

⇒ 2650 - 50x = -175 ⇒ 50x = 2825

⇒ x = 2825 / 50 = 56.5