According to the National Center for Health Statistics, the distribution of heights for 15-year old males is
symmetric, single-peaked, and bell shaped. For this distribution, a z-score of 0 corresponds to a height of 170
centimeters and a z-score of 1 corresponds to a height of 177.5 centimeters.
1.) What is the mean and standard deviation of the data?
a.) Mean = 170cm, standard deviation = 177.5cm
b.) Mean = 177.5 cm, standard deviation = 170 cm
C.) Mean = 170cm, standard deviation = 7.5 cm
d.) Mean = 7.5cm, standard deviation = 177.5 cm
e.) Mean = 0, standard deviation = 1
Answers: 2
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