Liz's math test included a survey question asking how many hours students spent studying for the test. The scatter plot and trend line plots the relationship between how many hours students spent studying and their score on the test. Assuming the line is correct, what does the line's slope of
mean?
Choose 1 answer:
Choose 1 answer:
(Choice A) On average, students who didn't study at all got scores of about
on the test.
A
On average, students who didn't study at all got scores of about
on the test.
(Choice B) If one student studied for one hour more than another student, the student who studied more got exactly
more points on the test.
B
If one student studied for one hour more than another student, the student who studied more got exactly
more points on the test.
(Choice C) On average, studying for one extra hour was associated with a
point improvement in test score.
C
On average, studying for one extra hour was associated with a
point improvement in test score.
(Choice D) On average, studying for
extra hours was associated with a
point improvement in test score.
D
On average, studying for
extra hours was associated with a
point improvement in test score.
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