Interpreting Slope of Scatter Plots

What does a steep line of best fit indicate?

• Strong positive correlation

• No correlation

• Strong negative correlation

• Weak positive correlation

What does a line of best fit with a slight slope indicate?

• Weak negative correlation

• Strong positive correlation

• Weak positive correlation

• No correlation

What does a positive correlation in a scatter plot indicate?

• The two variables are not related to each other.

• The two variables are inversely related to each other.

• The correlation is only applicable to one variable.

• The two variables are directly related to each other and increase or decrease together.

Which scatter plot shows a negative relationship?

• Graph A

• Graph B

• Graph C

• Graph D

What type of relationship does this graph have?

• Positive

• Negative

• No Relationship

• Constant

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?

• 65

• 92

• 70

• 76

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

Based on the scatter plot, which statement best describes the trend?

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

• as the daily temperature decreases, the number of beach visitors increases.

• As the daily temperature increases, there is no change in the number of beach visitors

• As the daily temperature increases, the number of beach 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 chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes

• No