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The mean length of a set ribbons is 30 inches. The standard deviation is 11 inches. Describe the data that is within on standard deviation of the mean?

User Modika
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It would fall under a normal data curve. However, because the standard deviation is so large, we would feel less confident after 2 standard deviations than normally. So we'll share some probability given just the first two standard deviations.

19 to 41 inches - 68.37% likely to fall within this range.
8 to 52 inches - 95.45% likely to fall within this range.
User Pavel Sem
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