The number of points scored by a basketball team during the first 8 games of the season are 65, 58, 72, 74, 82, 67, 75, 71. How much will their average game score increase by if the team scores 93 points in the next game?

Question

3161 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-08-15T22:25:13

The average score increased by 2.5 points from 70.5 to 73.

For the first 8 games, the average (mean) is:

#564/8 =70.5#

After the 9th game. the average (mean) is:

#657/9 = 73#

The average score increased by 2.5 points from 70.5 to 73.