Scatter diagrams

What phrase best describes the correlation illustrated?

• No correlation

• Strong negative

• Weak positive

• Strong positive

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

Which of the following best explains the meaning of the phrase "correlation does not imply causation"?

• The thing you are measuring on the x-axis causes the thing you are measuring on the y-axis

• If two things are negatively correlated, then if one increases the other decreases

• Just because two things are correlated, does not necessarily mean one causes the other

• If you can easily draw a line of best fit, then there is likely to be strong correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.9

Which is the best line of best fit?

• Red

• Blue

• Green

• Purple

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

What relationship is suggested by the scatter diagram?

• Line of best fit

• As age increases, weight increases

• As age increases, weight decreases

• No relationship between age and weight

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

What type of correlation does this graph have?

• Negative

• no correlation

• positive

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 12 absences should get approximately what score on the final exam?

• 60

• 92

• 70

• 76

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

Tags

CCSS.HSF-LE.A.1B

Estimate the correlation coefficient for this scatterplot.

• r = 1.2

• r = 0.89

• r = 0

• r = -0.89

Tags

CCSS.HSS.ID.B.6

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

The correlation coefficient r=0.3 refers to the correlation that is..

• Strong positive

• Weak positive

• Strong negative

• Weak negative

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8