Asked by yamilex
Complete the chart to find the mean, variance and standard deviation. Remember to use commas and round numbers to the nearest tenth.
X _
X _
X - X _
(X - X)2
1. 900 = 466.2 = The mean is
2. 35 = -398.8 = 159,041.4 The median is
3. 500 = 66.2 = The variance is 99,667.2
4. 300 = -133.8 = The standard deviation is
Σ X = _
X = _
Σ (X - X)2 = 398,668.6
X _
X _
X - X _
(X - X)2
1. 900 = 466.2 = The mean is
2. 35 = -398.8 = 159,041.4 The median is
3. 500 = 66.2 = The variance is 99,667.2
4. 300 = -133.8 = The standard deviation is
Σ X = _
X = _
Σ (X - X)2 = 398,668.6
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