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Correlation Coefficient
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Describe the following r-value using two words. r=0.002
WEAK,POSITIVE
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Describe the following r-value using two words. r=0.65
MODERATE, POSITIVE
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Which r-value is stronger? r=-0.87 or r=0.78?
r=-0.87
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Describe the following r-value using two words. r=0.92
STRONG, POSITIVE
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Calculate the correlation coefficient.
-0.258
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Choose the most accurate r-value. r=-0.09 r=-0.9 r=-0.5 r=0.3
r=-0.9
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Describe the following r-value using two words. r=-0.32
WEAK, NEGATIVE
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Choose the most accurate r-value. r=0.99 r=-0.75 r=0.45 r=0.01
r=0.01
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Does the following scatterplot model positive, negative, or no correlation?
NEGATIVE
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Which is the best estimate for the correlation coefficient?
0.7
-0.4
0.4
-0.6
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Which r-value is stronger? r=-0.98 or r=0.978?
r=-0.98
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Calculate the correlation coefficient.
0.476
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Describe the following r-value using two words. r=-0.899
STRONG,NEGATIVE
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Which r-value is stronger? r=-0.675 or r=0.676?
r=0.676
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Choose the most accurate r-value. r=0.9 r=-0.8 r=0.5 r=0.1
r=0.5
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Calculate the correlation coefficient.
0.876
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Does the following scatterplot model positive, negative, or no correlation?
NO CORRELATION
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Calculate the correlation coefficient.
-0.816
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Does the following scatterplot model positive, negative, or no correlation?
POSITIVE
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Calculate the correlation coefficient.
-0.398
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Choose the most accurate r-value. r=0.8 r=-0.75 r=-0.8 r=0.6
r=0.8
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