Cumulative Standards Review
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The standard deviation is the average amount by which each individual value deviates or differs from the mean of a data set.
Approximately 7.39 gallons
xn | xn−μ | (xn−μ)2 |
---|---|---|
92.3 | 92.3−89.34=2.96 | 2.962≈8.76 |
81.3 | 81.3−89.34=-8.04 | (-8.04)2≈64.64 |
85.3 | 85.3−89.34=-4.04 | (-4.04)2≈16.32 |
81.6 | 81.6−89.34=-7.74 | (-7.74)2≈59.9 |
89.7 | 89.7−89.34=0.36 | 0.362≈0.13 |
76.9 | 76.9−89.34=-12.44 | (-12.44)2≈154.75 |
101.2 | 101.2−89.34=11.86 | 11.862≈140.66 |
94.0 | 94.0−89.34=4.66 | 4.662≈21.71 |
80.3 | 80.3−89.34=-9.04 | (-9.04)2≈81.72 |
89.6 | 89.6−89.34=0.26 | 0.262≈0.07 |
91.4 | 91.4−89.34=2.06 | 2.062≈4.24 |
96.3 | 96.3−89.34=6.96 | 6.962≈48.44 |
88.8 | 88.8−89.34=-0.54 | (-0.54)2≈0.29 |
102.1 | 102.1−89.34=12.76 | 12.762≈162.81 |
Sum of Values | ≈764.43 |