Mathematics, 26.05.2021 22:20, jay9251

A runner's distribution of times for running 1,000 meters has a mean of 4.5 minutes with a standard deviation of 0.75 minutes. One of the runner's times has a z-score of -1.08. Which of the following statements is the best interpretation
of this z-score?
This runner's time was faster than the mean time by 0.75 standard deviations.
O This runner's time was faster than the mean time by 1.08 standard deviations.
This runner's time was slower than the mean time by 0.75 standard deviations.
This runner's time was slower than the mean time by 1.08 standard deviations.

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A runner's distribution of times for running 1,000 meters has a mean of 4.5 minutes with a standard...