Identify Scatter Plot Trend

Which of the scatter plots below shows a stronger association, and why?

• Scatter plot A; its slope is greater than B.

• Scatter plot A; its points of data are closer together than B.

• Scatter plot B; its slope is positive.

• Scatter plot B; it does not have any data points that are outliers.

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

• A

• B

• C

• D

Describe the Association for the graph.

• Linear and Negative

• Linear and Positive

• Non-Linear and No Association

• Non-Linear and Positive

• Non-Linear and Negative

Which variables would the scatter plot most likely to represent?

• The number of siblings a person has and the person’s GPA

• The number of guests at a hotel and the total water consumption

• The total number of miles driven and the total gallons of gas used

• The number of people at a concert and the total concession sales

What are the coordinates of the outlier?

• (9,1)

• (0,3)

• (1,9)

• There is not an outlier.

What type of association does this graph have?

• positive

• negative

• none

• all of the above

Which of the following lines represents the trend line for the scatter plot?

• A

• B

• C

• D

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

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

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 140 pages. 

• 12 chapters

• 19 chapters

• 14 chapters

• 21 chapters