Equivalency of 2 formulas for unbiased estimate(variance)

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Equivalency of 2 formulas for unbiased estimate(variance)

Postby whitecorp » Tue Jun 18, 2013 11:09 pm

Wrote a short proof demonstrating two slightly different versions of the unbiased estimate for the population variance are equivalent for my supplementary site:

http://www.a-levelmaths.com/summaryhandouts.htm (see no. 12 under supplements).

Hope it clarifies. Peace.

whitecorp
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