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23.03.2020 •
Social Studies
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 are between 64 and 72 inches. Thus, the standard deviation of the height distribution is approximately equal to:
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Ответ:
12
Explanation:
Standard deviation is the statistics that measure the dispersion of the data which is relative to the mean and calculated by its secure root related to variance.
Standard, mean is related to the measurement of finance. It sheds light on the history of the vitality of the investment. The greater the deviation as the great differences between each price and the distances in standard deviation.
A volatile stock has a greater standard deviation. The deviation of the blue chip is rather low.
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