Refer to the sitting heights listed in Review Exercise 3.

a. Are the sitting heights from a population that is discrete or continuous?

b. What is the level of measurement of the sitting heights? (nominal, ordinal, interval, ratio)

When designing a new thrill ride for an amusement park, the designer must consider the sitting heights of males. Listed below are the sitting heights (in millimeters) obtained from a simple random sample of adult males (based on anthropometric survey data from Gordon, Churchill, et al.). Use the given sitting heights to find the (a) mean; (b) median; (c) mode; (d) midrange; (e) range; (f) standard deviation; (g) variance; (h) Q₁; (i) Q₃.

936 928 924 880 934 923 878 930 936