Question

The mean of 6 numbers is 20, if one number is deleted, their mean is 5. Fina ue e

deleted number​

Answer 1

Answer:

In case 1:

Mean of 6 numbers= 20

observations = 6

Sum =20*6=120

In case 2:

Mean of five numbers =5

observations =5

Sum=5*5=25

Therefore the missing number = 120-25

=95