The Scatter Diagram Below Shows the Record Times for Races

question 31

Multiple Choice

The scatter diagram below shows the record times for races of different lengths at a junior high school track meet, where x is the length of the race in meters and y is the time of race in seconds. Suppose the school adds a 500-meter race. How will that change the scatter plot? Will the graph have the same number of points or an additional point?

• A) The point will be graphed with an x-coordinate of 500 and a y-coordinate equal to the record time for the 500-meter race. The graph will not have an additional point.
• B) The point will be graphed with an x-coordinate of 500 and a y-coordinate equal to the record time for the 500-meter race. The graph will have an additional point.
• C) The point will be graphed with an x-coordinate equal to the record time for the 500-meter race and a y-coordinate of 500. The graph will have an additional point.
• D) The point will be graphed with an x-coordinate equal to the record time for the 500-meter race and a y-coordinate of 500. The graph will not have an additional point.
• E) The point will be graphed with an x-coordinate of 500 and a y-coordinate of 500. The graph will not have an additional point.

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