Mad and Scatterplot Review

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

Based on the scatterplot, which type of association exists?

• There is no association that exists between the number of questions on a test and student scores.

• A linear association exists between the number of quesitons on a test and student scores.

• A non-linear association exists between the number of questions on a test and student scores.

• An average association exists between the number of questions on a test and student scores.

Which best describes the trend that exists between the number of questions on a test and the student scores?

• Positive Trend

• Negative Trend

• No Trend

• Minimum Trend

What is the type of association?

• negative non-linear association

• no association

• positive non-linear association

• linear association

Based on the scatterplot, which statement is a valid conclusion?

• As the dew point increases, the maximum humidity increases.

• As the dew point decreases, the maximum humidity increases.

• As the dew point decreases, the maximum humidity decreases.

• There appears to be no association between dew point and maximum humidity.

• A

• B

• C

• D

What type of correlation does this scatterplot show?

• positive linear association

• negative linear association

• no association

• non-linear association

The daily attendance at a bowling alley was recorded for 15 days. The scatterplot shows the number of lanes rented each day and the number of people who bowled that day. Which statement is best supported by the scatterplot?

• There is a non-linear assocation between the number of lanes rented and the number of people who bowl.

• There is a negative linear association between the number of lanes rented and the number of people who bowl.

• There is no apparent association between the number of lanes rented and the number of people who bowl.

• There is a positive linear association between the number of lanes rented and the number of people who bowl.

Describe the association between the number of lanes rented and the number of people bowling.

• Non-linear association

• Negative linear association

• No association

• Positive linear association

Which conclusion is best supported by the scatterplot?

• As the length of a call increases, the cost of the call increases.

• As the length of a call increases, the cost of the call remains the same.

• As the length of a call increases, the cost of the call decreases.

• There is no relationship between the length of a call and the cost of the call.