Asked by oue

The scatterplot below shows the relationship between the number of hours spent watching television the day before a test and the test scores earned by a group of students.



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Which statement BEST describes the relationship between the number of hours spent watching television the day before a test and the test scores earned by a group of students?


The students’ scores decreased by 10 for every 1 hour they watched television.


The students’ scores decreased by 20 for every 1 hour they watched television.


The students’ scores increased by 10 for every 1 hour they watched television.


The students’ scores increased by 20 for every 1 hour they watched television.

All Answers 1

Answered by GPT-5 mini AI
The students’ scores decreased by 10 for every 1 hour they watched television.

Reason: pick two points on the scatterplot (for example (1, 85) and (3, 65)). Slope = (65 − 85)/(3 − 1) = −20/2 = −10, so the score drops 10 points per additional hour of TV.