Correlation Coefficient and Linear Regression Review

Estimate the correlation coefficient

• r=-1
• r=.9
• r=-0.5
• r=0.5

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Estimate the correlation coefficient.

• r=0
• r=-1
• r=1
• r=2

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

r=-0.89

• Strong positive 
• Weak positive 
• Strong negative 
• Weak negative 

Tags

CCSS.HSS.ID.C.8

r=0.3

• Strong positive 
• Weak positive
• Strong negative
• Weak negative 

Tags

CCSS.HSS.ID.C.8

The correlation coefficient is a number "r" such that: 

• -1<r<1
• -1>r>1
• -1≤r≤1
• -1≥r≤1

Tags

CCSS.HSS.ID.C.8

Estimate the correlation coefficient.

• r=-1
• r=-0.5
• r=1
• r=0.5

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Estimate the correlation coefficient for this scatterplot.

• r = 1.2
• r = 0.89
• r = 0
• r = -0.89

Tags

CCSS.HSS.ID.C.8

Estimate the correlation coefficient for this scatterplot. 

• r = -0.9
• r = 1
• r = 0.9
• r = -1

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Which with is the line of best fit?

• Black
• Orange
• Red
• Blue

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Estimate the correlation coefficient.

• r=-1
• r=-0.5
• r=1
• r=0.5

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8