Question

How will the mean be affected if 68 is added to the data set below?

58,60,62,64,66

A.
The mean will increase by 5.
B.
The mean will increase by 1.
C.
The mean will not change.
D.
The mean will decrease by 1.

Answer 1

b

Explanation:

in order to find the mean you have find the sum of the numbers and divide them by the amount of numbers.without 68 the sum is 310 divide it by 5 and tge answer is 62.however if you add 68 the sum is 378 divide it by 6 and the answer is 63.

therefore the answer increased by 1.

hope this helps :)