Question

There are 150 numbers. 60 is subtracted from each of the number and the mean of the numbers so obtained is –4.5. Find the sum of all observations when each of it was not decreased by 60.

Answer 1

Answer:

Step-by-step explanation:

There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained ... Sum of numbers after subtracting 53 from each =3.5×50=175 ... No Signup required ... The given observations are : 8,12,16,10,22,4 if the observations are decreased by ...

1 answer