Answers AL-Science 7 A Drawing Trend LinesQuestion 6

6

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Drawing Trend Lines

Question 6 • AL-Science 7 A

Based on the trend lines you just generated, which of these statements are true? Check all that apply.

Answer

A

Both scatterplots had trend lines with positive slopes.

B

The same test score is expected from studying for 5 hours or sleeping for 5 hours.

C

There is no correlation between the test scores and the number of hours slept.

D

The regression line can predict the number of hours studied based on the number of hours slept.

E

There is evidence that those with higher test scores tended to sleep more the night before.

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