Interpreting Scatterplots

This scatter plot COULD show the relationship between which two variables?

• speed of an airplane (x) and distance traveled in one hour (y)

• outside air temperature (x) and air conditioning costs (y)

• age of an adult (x) and height of an adult (y)

• distance traveled (x) and gas remaining in the tank (y)

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CCSS.8.EE.B.5

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CCSS.8.EE.B.5

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Which of the following statements about the graph is true?

• There is a positive relationship

• There is a negative relationship

• There is no correlation

• There is a constant relationship

Which graph is the best representation of a positive relationship?

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

• More ticket writers results in fewer tickets issued.

• There were 50 tickets issued each week.

• When there are 10 ticket writers, there be 800 tickets

• More ticket writers results in more tickets issued.

Which statement best describes why Trevor's conclusion was incorrect?

• The largest class does not have the most absences.

• The smallest class does not have the least absences.

• The data shows no relationship between class size and number of absences.

• The data shows a negative relationship between class size and absences.

Which graph shows the best fit for a scatter plot?

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