Khan Academy

Supporting grades: 8

Description: Sal interprets a trend line that shows the relationship between study time and math test score for Shira. Created by Sal Khan. Shira's math test included a survey question asking how many hours students had spent studying for the test. The graph below shows the relationship between how many hours students spent studying and their score on the test. So this student right over here spent about 0.6 hours studying.

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