Question

Liz's math test included a survey question asking how many hours students spent studying for the test. The scatter plot below shows the relationship between how many hours students spent studying and their score on the test.

Which of the following is the best estimate of the average score change associated with a 1 hour increase in study time?

Answer 1

On khan it is A but also 20 points

Explanation:

A 1 hour increase in study time was associated with an average score change of 20 points.

That's that explanation that was asked for.

Answer 2

B: 20

Explanation: