Question

thecorrect mean
The mean of 10 numbers is 20. If 5 is subtracted from every number,w what will be the
new mean?​

Answer 1

Answer:

15

Explanation:

Mean = sum of all observations/ total no. of observations

Sum of all observations=20 * 10= 200

Now, 5 is subtracted from each no.

Therefore sum= 200 - 10*5

= 150

New mean = 150/10 = 15