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Re: Puzzled by the "Variance"

• To: mathgroup at smc.vnet.net
• Subject: [mg86540] Re: Puzzled by the "Variance"
• From: Kristian Schmidt <kristian at kreutz.us>
• Date: Thu, 13 Mar 2008 04:33:49 -0500 (EST)

See the bottom definition on the link you gave. It appears mathematica uses the unbiased variance, which divides with (N-1) instead of just N.