A Researcher Determined That the Correlation Between Height in Inches

question 9

Multiple Choice

A researcher determined that the correlation between height in inches and 50-yard-dash time in seconds for 123 eleven-year-old boys in a city recreation program was -0.51. Which of the following statements is the best interpretation of this finding?

• A) As height increases, this causes speed to decrease.
• B) Tall boys run faster than short boys over 50% of the time.
• C) There is some tendency for dash scores to decrease as height increases.
• D) There is a very poor relationship between height and dash scores because the correlation is negative.
• E) The taller the person, the larger his dash score tends to be.

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Definitions:

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