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The distribution of the heights of students in a large class is roughly bell-shaped.Moreover, the average height is 68 inches, and approximately 95% of the
The distribution of the heights of students in a large class is roughly bell-shaped.Moreover, the average height is 68 inches, and approximately 95% of the heights fall between 63 and 73 inches. State the approximate standard deviation of the height distribution to one place of decimal with no units.
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