2P2

解

2 P 2

2

解答ステップ

= \frac{n !}{( n - r ) !}

挿入

n = 2, r = 2

= \frac{2 !}{( 2 - 2 ) !}

\frac{2 !}{( 2 - 2 ) !} = 2

= 2

r an g e 58, 84, 73, 1, 54, 26, 85

r an g e 4, 16, 64, 144

a r i t hm e t i c m e an 12.5, 12.7, 14.9, 11.3, 11.7, 10.9

m e d ian 3, 4, 5, 7, 7, 7, 9

r an g e 138, 130, 135, 140, 120, 125, 120, 130, 130, 144, 143, 140, 130, 150