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Identify What Is Wrong with Each of the Following Statements

Question 55

Essay

Identify what is wrong with each of the following statements:
a. The correlation between Olympic gold medal times for the 800m hurdles and year is -0.66 seconds per year.
b. The correlation between Olympic gold medal times for the 100m dash and year is -1.37. c. Since the correlation between Olympic gold medal times for the 800m hurdles and 100m dash is -0.41, the correlation between times for the 100m dash and the 800m hurdles is +0.41.
d. If we were to measure Olympic gold medal times for the 800m hurdles in minutes instead of seconds, the correlation would be -0.66/60 = -0.011.

Correct Answer:

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a. Correlation has no units.
b. Correlat...

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