Posted by **yamilex** on Tuesday, December 11, 2012 at 1:39pm.

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

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