Test 3 Or 4 Idk Flashcards

1
Q

Correlation

A

Measures ONLY linear relationships

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2
Q

In a correlation, values must be…

A

Quantitative

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3
Q

r

A

Correlation

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4
Q

r is always between

A

-1 and 1. Values closer to 0 are weaker

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5
Q

r has…

A

No unit of measurement

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6
Q

It makes _____ difference which variable is ____ and ____

A

No, x, y

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7
Q

Is r resistant to outliers?

A

No

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8
Q

Residual =

A

Observed y - predicted y

Y-Y(hat)

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9
Q

Always want r2 to be…

A

Closer to one

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10
Q

Explanatory

A

X

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11
Q

Response

A

Y

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12
Q

Y int is

A

A

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13
Q

Slope is

A

B

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