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