Review Exercises

What type of correlation does this graph have?

• positive correlation

• negative correlation

• no correlation

• all of the above

Tags

CCSS.HSS.ID.B.5

Which scatter plot shows a positive relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.HSA.REI.D.12

• strong positive

• strong negative

• weak positive

• weak negative

Tags

CCSS.HSS.ID.B.5

• strong positive

• strong negative

• weak positive

• weak negative

Tags

CCSS.HSS.ID.B.5

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1.2

Tags

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

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89

Tags

CCSS.HSS.ID.C.8

The correlation coefficient measures...

• whether there is a relationship between two variables.
• the strength of the relationship between two quantitative variables.
• whether a cause and effect relation exists between two variables.
• the strength of the linear relationship between two quantitative variables.

Tags

CCSS.HSS.ID.B.5

Which of these points appears to be an “Outlier?”

• A

• B

• C

• D

Tags

CCSS.8.SP.A.1

What type of correlation?
The temperature outside and the amount of ice cream sales. 

• Positive correlation
• Negative correlation
• No correlation

Tags

CCSS.HSS.ID.B.5