User talk:219.78.90.231

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[edit] March 2008

Your recent edit to Arithmetic mean (diff) was reverted by an automated bot. The edit was identified as adding test edits to the page. If you want to experiment, please use the preview button while editing or consider using the sandbox. If this revert was in error, please contact the bot operator. Thanks! // VoABot II (talk) 09:17, 10 March 2008 (UTC)