std 100,100,90,90,90,80,80,80,80,80,70

解

標準偏差

100, 100, 90, 90, 90, 80, 80, 80, 80, 80, 70

9.34198 \dots

解答ステップ

分散を計算する:

87.27272 \dots

以下を計算する:

σ (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 9.34198 \dots

9.34198 \dots

a r i t hm e t i c m e an 95, 82, 77, 64, 100, 97, 95, 95, 81, 80, 80, 84, 98, 77, 61, 69, 71, 80, 100, 999

m e d ian 95, 45, 37, 82, 90, 100, 91, 78, 67, 84, 85, 85, 82, 91, 93, 92, 76, 84, 100, 59, 92, 77, 68, 88

a r i t hm e t i c m e an 95, 45, 37, 82, 90, 100, 91, 78, 67, 84, 85, 85, 82, 91, 93, 92, 76, 84, 100, 59, 92, 77, 68, 88

m o d e 78, 80, 66, 68, 71, 64, 82, 71, 70, 65, 70, 75, 77, 86, 72

a r i t hm e t i c m e an 56, 61, 64, 48, 63, 60, 57, 65, 64, 60, 65, 68, 48, 64, 59, 59