Quizizz: 6.2 A Correlation Coefficient

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1

Tags

CCSS.HSS.ID.C.8

What type of correlation does this graph show?

• A) Positive

• B) negative

• C) none

• D) all of the above

Tags

CCSS.HSS.ID.C.8

CCSS.HSS.ID.B.6

Describe the correlation.

• Negative correlation

• No correlation

• Positive correlation

• Constant correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

What type of correlation does this graph have?

• Positive correlation

• Negative correlation

• No correlation

• Constant correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

What type of correlation does this scatter plot show?

• Positive correlation

• Negative correlation

• No correlation

• Constant correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Estimate the correlation coefficient

• r = 1

• r = -1

• r ≈ -0.8

• r ≈ 0.8

• r ≈ -0.5

Tags

CCSS.HSS.ID.C.8

A perfect negative correlation has a correlation coefficient of ____. 

• 1
• -1
• 0

Tags

CCSS.HSS.ID.C.8

A perfect positive correlation has a correlation coefficient of ____. 

• 1
• -1
• 0

Tags

CCSS.HSS.ID.C.8

Which graph represents data that has a correlation coefficient close to -1?

• 
• 
• 
• 

Tags

CCSS.HSS.ID.C.8

Select all the values for r that indicate a positive slope for the line of best fit.

• 1

• -1

• 0.5

• -0.5

• 0

Tags

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8