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Posted by **toyman** on Friday, July 22, 2011 at 1:56am.

a. 0.200

b. 0.447

c. 0.500

d. 0.632

- statistics help please -
**drwls**, Friday, July 22, 2011 at 4:38am2/sqrt(10) = 0.632

It is explained here:

http://en.wikipedia.org/wiki/Standard_error_(statistics)

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