Mathematics, 12.10.2019 19:30 bks53
15.12 state sat scores. the correlation between the average sat mathematics score in the states and the percent of high school seniors who take the sat is
r
=
−0.89
r=−0.89
.
(a) the correlation is negative. what does that tell us?
(b) how well does proportion taking predict average score? (use
r
2
r2
in your answer.)
Answers: 1
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