Question

Here is a set of data.

2.4 1.6 3.2 0.3 1.5
a) Calculate the mean.
b) Each piece of data is increased by 10. Calculate the new mean.
c) Each new piece of data is now doubled. Calculate the new mean.

Answer 1

a 1.8

b 11.8

c 23.6

Explanation:

divide the sum of all values withing each data set by the number of values