Associations in Scatter Plot

Which scatter plot shows a negative relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Which scatter plot shows no relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Which best describes the form of this scatterplot?

• linear

• nonlinear

• scattered

• no correlation

The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks.  The scatter plot shows the results.  Which statement is true?

• More ticket writers results in fewer tickets issued.

• There were 50 tickets issued every week.

• When there are 10 ticket writers, there will be 800 tickets issued.

• More ticket writers results in more tickets issued.

Number of days absent from school vs. math average

• Positive Correlation

• Negative Correlation

• No Correlation

Which best describes the association shown in the scatter plot?

• Negative and linear

• Negative and nonlinear

• Positive and linear

• Positive and nonlinear

Which scatter plot has a stronger association? How do you know?

• Scatter Plot A

  points are close together

• Scatter Plot B

  points are more linear

Scatter plot are graphs that use points to display​ (a)   data.

• numerical

• bivariate

• association

• categorical

Scatter plots can help determine if one variable has an effect on the other, or if there are overall trends, patterns, or ​ (a)   between the variables.

• associations

• bivariate

• numerical

Hector surveyed 500 people and asked them how far they drive to work and what the last digit of their phone number is. He used the results to make a scatter plot. What type of association should he expect to see in the scatter plot?

• Positive Association

• Negative Association

• No Association