Predict Scatter Plots

Which equation best represents the data?

•  y= -3/5x + 2

•  y = 5/3x -2 

•  y = -3/5x - 2

•  y= 5/3x + 2

Which equation best represents the data?

• A  y = 2x + 2

• B  y= 1/2x - 2

• C  y = -2x + 2

• D  y = -1/2x + 2

Which equation best represents the data?

•  y = 4x

•  y = -4x

•  y = 1/4x

•   y = -1/4 x

Which equation best represents the data?

•  y = x + 2

•  y = -x + 2

•  y = x - 2

•  y = -x - 2 

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min

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

Which of the following best describes a scatter plot that shows no relationship between the x-values and the y-values?

• As x-values increase, the points are higher on the graph.

• As x-values decrease, the points are higher on the graph.

• The points are scattered around the graph.

• The points form a horizontal line.

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 correlation does this graph have?

• positive

• negative

• none

• all of the above

Which sentence describes the relationship shown on this scatter plot?

• The more time spent training, the longer it takes to run 100 m.  

• As the time spent training increases, the time to run 100 m decreases. 

• As the time spent training decreases, the time to run 100 m decreases.