Question

Some people took part in a game. The frequency shows information about their scores.

Score Frequency
1-7 20
8-10 13
11-15 13
16-20 10
21-35 16
36 - 50 19
Estimate the mean.
Give your answer rounded to 2 decimal places.​

Answer 1

80
117
169
180
448
817
=
1811 / 91

19.901 and that rounded to 2 decimal places is 19.9