We introduced two additional measures of location, the median and inter quartile range.

我们介绍了位置的其他度量手段，中间以及内部四分位范围。

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Economists reckoned the uplift in happiness at that time was equivalent to 60% of the increase in wellbeing people tend to experience when they cross the line of median income, from the third income quartile into the second one.

BBC: Going for the happiness gold

The median time from founding to IPO for these sectors ranges from 7-10 years, with the shortest quartile at 5-6 years.

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