Mathematics, 13.12.2020 09:40 leshayk91
PLEASE HELP 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?
a. This runner’s time was slower than the mean time by 1.08 standard deviations.
b. This runner’s time was slower than the mean time by 0.75 standard deviations.
c. This runner’s time was faster than the mean time by 1.08 standard deviations.
d. This runner’s time was faster than the mean time by 0.75 standard deviations.
Answers: 1
Mathematics, 21.06.2019 16:20
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PLEASE HELP A runner’s distribution of times for running 1,000 meters has a mean of 4.5 minutes with...
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