Suppose you were to create a scatter plot of the data for speed and distance traveled. Would you expect to see a positive, negative , or no relationship betwen the two variables. Explain your answer.
Answer
A
negative relationship; as the speed decreases, the distance increases.
B
positive relationship; as the speed decreases, the distance increases.
C
positive relationship; as the speed increases, the distance increases.
D
no relationship.
Explanation
A positive relationship means the two variables tend to increase together. As speed increases, the distance traveled increases, so the best choice is “positive relationship; as the speed increases, the distance increases.”
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