Question

The mean and range of a set of numbers 0.80,0.80,0.90,1.00,1.10,1.20,1.20,1.40 are m + r respectively,find m + r?

Answer 1

Find the mean first = sum of scores/number of scores.

Range = highest score - lowest

Add the two values.

Answer 2

1.65

Answer 3

m=1.05, r=0.6
m+r= 1.66