Algebra 1: Scatter Plots and Linear Regression

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

What type of correlation does this graph have?

• Negative

• no association

• 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

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

Tags

CCSS.HSS.ID.B.6

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points
• To make it look like you know what you are doing

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.HSS.ID.B.6

What would be the correlation between study time and test grades?

• positive
• negative
• none
• cannot be determined

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

What type of correlation do you think there is between:
Time Spent Watching TV & Grades

• Positive correlation
• Negative correlation
• No correlation
• cannot be determined

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

What does the value, r= -0.89, tell us about the linear relationship of two quantitative variables?

• Strong positive

• Weak positive

• Strong negative

• Weak negative

Tags

CCSS.HSS.ID.C.8

This measures how strong or weak the relationship between 2 quantitative variables are.

• Scatter Plot

• Causation

• Correlation

• Line of best fit

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9