e, the average is 21 and the data deviates by 2 in each direction
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05-13-2010, 11:06 PM #1
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05-13-2010, 11:07 PM #2
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Which of the choices is the standard deviation of the sample shown here? 19, 20,...
...21, 22, 23? a.21
b.2.5
c. square root of 2.5
d.square root of 2
e.2
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