Adding a constant 3 to any random variable will change the mean by a value of what?

The mean goes up by 3/5 where 3 is the amount of the constant that was added divided by the total number of numbers.

Step-by-step explanation:

Let us suppose we have five number

Let us calculate the Mean of these numbers

The arithmetic mean is the sum of the values in the set divided by the number of elements in that set.

Let us suppose we add constant 3 to the variable 8

so

New Mean - Old Mean:

The mean goes up by 3/5 where 3 is the amount of the constant that was added divided by the total number of numbers.                      

nope.   happens to me as well.

-aparri