Scatter Plots, Trend Lines, and Linear Regression

What is a scatter plot?

• A graph that shows the relationship of two data sets.
• A graph drawn using rectangular bars to show how large each value is.
• A graph that shows information that is connected in some way.
• A graph that shows data changing over time.

Tags

CCSS.8.SP.A.1

What type of correlation does this graph have?

• Negative

• no association

• positive

Tags

CCSS.HSF-LE.A.1B

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Tags

CCSS.HSF-LE.A.1B

Is there a correlation? If so, what type?

The number of siblings you have and your weight. 

• Positive correlation

• Negative correlation

• No correlation

Tags

CCSS.HSS.ID.B.5

Is there a correlation? If so, what type?

The age of a kitten and its weight.

• positive association

• negative association

• no association

Tags

CCSS.HSF-LE.A.1B

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

What type of data are we looking for if we are using 12 absences?

• Interpolation

• Extrapolation

Tags

CCSS.8.EE.B.5

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 6 absences should get approximately what score on the final exam?

• 85

• 92

• 70

• 76

What type of data are we looking for if we are using 6 absences?

• Interpolation

• Extrapolation

Which of the following lines represents the trend (line of best fit) for the scatter plot?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5