平均点: 14.78 分散: 11.73 標準偏差: 3.42 ヒストグラム 7.5 <= X < 8.5| ..... 8.5 <= X < 9.5| . 9.5 <= X < 10.5| ..... 10.5 <= X < 11.5| ... 11.5 <= X < 12.5| ........ 12.5 <= X < 13.5| ....... 13.5 <= X < 14.5| ........ 14.5 <= X < 15.5| ............. 15.5 <= X < 16.5| ....... 16.5 <= X < 17.5| ........... 17.5 <= X < 18.5| ............. 18.5 <= X < 19.5| .... 19.5 <= X < 20.5| . 20.5 <= X < 21.5| .. 21.5 <= X < 22.5| .