![]() ![]() ![]() Can A Normal Distribution Have Negative Values?Ī normal distribution can have negative values for some or all of its data points. (If the standard deviation were zero, we would have a uniform distribution with constant value, not a normal distribution). It is also possible for the mean (expected value) of a normal distribution to be negative. Can A Normal Distribution Be Negative?Ī normal distribution can have negative values for some or all of its data points. We’ll also take a look at some examples to help make things clear. In this article, we’ll talk about normal distributions and when they can be negative. Of course, for a normal distribution to have a negative mean, there would need to be some data points with negative values. However, the standard deviation of a normal distribution is always positive – it is never negative or zero. A normal distribution can also have a negative mean. So, can a normal distribution be negative? A normal distribution can have negative values for some or all of its data points. We are familiar with distributions with positive values (such as height or weight), but what about negative values? Normal distributions are quite common, and they show up everywhere in statistics and in nature. ![]()
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