Answered

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The mean finish time for 48 racers who finished the grueling 50 km cross-country ski race at the Olympics is 2.164
hours and the standard deviation is 0.85 hours. The distribution of finish time is skewed to the right. What are the
mean, standard deviation, and shape of the distribution of z-scores for these data?
O mean = 0, standard deviation = 1, skewed to the right
O mean = 0, standard deviation = 1, approximately normal
mean = 2.164, standard deviation = 0.85, skewed to the right
O mean 2.164, standard deviation = 0.85, approximately normal

Sagot :

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