99.7% Confident Within 3 Standard Deviations Mean Neck Tie

Ad: 99.7% Confident Within 3 Standard Deviations Mean Neck Tie

Showcase your statistical attitude side with this necktie that includes the wry saying "I Am 99.7% Confident That I Fall Within 3 Standard Deviations From The Mean". Make everyone do a double-take at your level of confidence! myStatistician

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