Mathematics, 14.04.2021 21:30 xsong39481
Complete the chart to find the mean, variance and standard deviation. Remember to use commas and round numbers to
the nearest tenth.
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X-X
IX-X)²
1. 45
= -357.5
The mean is
2. 340
=-62.5
The median is
3. 400
= -2.5
The variance is
4. 825
= 422.5 =
The standard deviation is
ΣΧ=
(X-X)2 = 310,225.2 n=
Answers: 1
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