Correlation
AP Statistics · Flashcards
AP STATISTICS · FLASHCARDS
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QUESTION
What is the formula for the sample correlation coefficient
r
r
r
?
QUESTION
What statistical test is used for testing correlation significance?
QUESTION
Identify the correlation type:
r
=
−
0.85
r = -0.85
r
=
−
0.85
.
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ANSWER
Strong negative correlation. Close to -1 indicates strong negative linear relationship.
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