Scatter Plots(Correlation)

Two variables have a weak relationship when.......

• the data is close to being linear

• when the line of best fit does not give good estimates for the actual data

• when one variable increases and the other increases

• when one variable increases and the other decreases

Tags

CCSS.HSF-LE.A.1B

Two variables have a strong relationship when......

• the data is very close to being linear

• when the line is not a good estimate for the actual data

• when one variable increases and the other increases

• when one variable increases and the other decreases

Tags

CCSS.HSF-LE.A.1B

Two variables have a positive relationship when.......

• the data is close to being linear

• when the line of best fit does not give good estimates for the actual data

• when one variable increases and the other increases

• when one variable increases and the other decreases

Tags

CCSS.HSF-LE.A.1B

Two variables have a negative relationship when.......

• the data is close to being linear

• when the line of best fit does not give good estimates for the actual data

• when one variable increases and the other increases

• when one variable increases and the other decreases

Tags

CCSS.HSF-LE.A.1B

• 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

• 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

• strong positive

• strong negative

• weak positive

• weak negative

Tags

CCSS.HSS.ID.B.5

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