The bell curve distribution for IQ scores tells us that two thirds of the world’s population have an IQ somewhere between 85 and 115.
IQ分数的正态分布图告诉我们世界上三分二的人智力在85-115之间。
A normal distribution is the classic bell curve that appears so frequently in statistics.
正态分布是典型的钟形曲线，这在统计学中经常出现。
India is like China in 2001, says Ms Vittal. “After two decades of systemic growth, the whole bell curve of income distribution moves to the right.”
维塔尔表示，当前的印度和2001年时的中国差不多。“经过20年的全面增长，收入分布的正态曲线整体右移。”
The standard statistical approach to risk management is based on a “bell curve” or normal distribution, in which most results are in the middle and extremes are rare.
在统计学中，风险管理的标准方法是基于“钟形曲线”（或曰正态分布）的，绝大多数结果分布在中间，极端情况十分罕见。
3 For many random variables, a good choice is the normal distribution, often represented as a bell-shaped curve, shown in Figure 1.
3对于许多随机变量来说，一个好的选择是正态分布，常常表现为一个钟型曲线，如图1所示。
3 For many random variables, a good choice is the normal distribution, often represented as a bell-shaped curve, shown in Figure 1.
3对于许多随机变量来说，一个好的选择是正态分布，常常表现为一个钟型曲线，如图1所示。
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