Adult height

(a) The frequency distribution of height in 1000 college-aged males is shown in tabular form. (b) Height data for 138 male and female college students. Data from W.E. Castle (1916)(a) The frequency distribution of height in 1000 college-aged males is shown in tabular form. (b) Height data for 138 male and female college students. Data from W.E. Castle (1916)

(a) Number and frequency of heights in 3-cm intervals Height (cm) Number Frequency (%) 155—157 4 0.4 158—160 8 0.8 161—163 26 2.6 164-166 53 5.3 167—169 89 8.9 170—172 146 14.6 173—175 188 18.8 176-178 181 18.1 179—181 125 12.5 182—184 92 9.2 185—187 60 6.0 188—190 22 2.2 191-193 4 0.4 194—196 1 0.1 197—199 1 0.1 1000 100 (b) Number of females and males of each height Female Male Height (in) Number Height (in) Number 60 5 64 2 61 5 65 5 62 7 66 2 63 7 67 6 64 9 68 7 65 9 69 7 66 12 70 9 67 6 71 6 68 3 72 10 69 2 73 7 70 1 74 2 71 1 75 3 72 1 76 1 77 3 Total 68 70 Average ()7) 64.5 inches 70.2 inches Standard deviation (5) +/— 2.7 inches +/— 3.2 inches Variance ($1) +/— 7.29 inches +/— 10.24 inches