Scatter Plots, Correlation, and Trend Lines - V1

What type of correlation does this graph have?

• Negative

• None

• Positive

• A mix of positive and negative

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 number of visitors increases.

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

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

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

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.

• 150 pages

• 170 pages

• 190 pages

• 210 pages

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.IF.B.4

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?

• 50 min

• 70 min

• 45 min

• 60 min

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

How would you characterize a correlation coefficient of 0.3 ?

• Strong positive

• Weak positive

• Strong negative

• Weak negative

What does the slope represent in this situation?

• The sloth runs 1 foot in 3 minutes.

• The sloth runs 3 feet in 1 minute.

• The sloth runs 1 foot in 6 minutes.

• The sloth runs 6 feet in 1 minute.

What type of correlation is this: The outside temperature and the number of layers of clothing you wear.

• Positive correlation

• Negative correlation

• No correlation

• A mixture of positive and negative correlation