Quantitative

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What is co-variance
the degree to which two variables vary together (in the same or opposite directions)
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What is raw covariance
Any value, cannot be easily interpreted
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What is the range of the correlation coefficient
-1 and 1
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R = 0
No linear relationship between variables / change in X is not associated with a change in Y
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R = 1
Perfect positive correlation / increase in X associated with a linear increase in Y
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R = -1
Perfect negative correlation / increase in X associated with linear decrease in Y
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What are the 3 standards Cohen introduced?
Small: .1-.29 / Medium: .3-.49 / Large .5-1
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What is the regression line?
A straight line that defines the relationship between x and y
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Other cards in this set

Card 2

Front

What is raw covariance

Back

Any value, cannot be easily interpreted

Card 3

Front

What is the range of the correlation coefficient

Back

Preview of the front of card 3

Card 4

Front

R = 0

Back

Preview of the front of card 4

Card 5

Front

R = 1

Back

Preview of the front of card 5
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