Use the sitting heights listed in Review Exercise 3 to construct a frequency distribution. Use a class width of 10 mm, and use 870 mm as the lower class limit of the first class.

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