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

95, 82, 77, 64, 100, 97, 95, 95, 81, 80, 80, 84, 98, 77, 61, 69, 71, 80, 100, 999

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

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

78, 80, 66, 68, 71, 64, 82, 71, 70, 65, 70, 75, 77, 86, 72

56, 61, 64, 48, 63, 60, 57, 65, 64, 60, 65, 68, 48, 64, 59, 59