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. . 95% Area. . . 95% of the area under the bell curve is within TWO standard deviations of the mean.. 95% Area. . . . 50% area. . The bell curve is symmetric.This means 50% of the area is to the right of the mean, 34% between m and m s, and 47.5% between m and m-2s. . 68/2 = 34% area. . 95/2 = 47.5% area.
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