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Milau dance studio has more than 50 mean dancers, with 30 of those size dancers are beginners, 3 standard deviation are choreographers preparing them for the competition they're about to compete in, but the 1% of the dance crew won't be able to make it on the competition. You sent hanapin mo lang yung Sample Variance/Standard Dev. or Population Variance/Standard Dev. and ieexplain mo sya