According to the Empirical Rule,if the data form a bell shaped normal distribution,approximately ____________________ percent of the observations will be contained within 2 standard deviations around the mean.

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The Answer of According to the Empirical Rule,if the data form a bell shaped normal distribution,approximately ____________________ percent of the observations will be contained within 2 standard deviations around the mean.

According to the Empirical Rule,if the Data Form a Bell