Scatter Plots and Data

What type of correlation does this scatter plot show?

• positive

• negative

• no correlation

• nonlinear association

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 graph have?

• positive

• negative

• none

• all of the above

What represents the y axis?

• ABC Company
• Hours Worked
• Amount Earned in Dollars
• Hours in Car

What represents the x axis?

• ABC Company
• Hours Worked
• Amount Earned in Dollars
• Hours in Car

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

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

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

• A
• B
• C
• D

Which graph has no association?

• A

• B

• C

• D

Choose the graph with a trend line that best fits the data. (a)  

• graph 1
• graph 2
• graph 3
• graph 4