Equivalency of 2 formulas for unbiased estimate(variance)
Posted: 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.
http://www.a-levelmaths.com/summaryhandouts.htm (see no. 12 under supplements).
Hope it clarifies. Peace.