Which of the following is not a characteristic of the normal distribution? It is a symmetrical distribution The mean is always zero It is a bell-shaped distribution The area under the curve equals one None of the preceding
Question
Which of the following is not a characteristic of the normal distribution? It is a symmetrical distribution The mean is always zero It is a bell-shaped distribution The area under the curve equals one None of the preceding
Solution
The statement "The mean is always zero" is not a characteristic of the normal distribution. While it's true that the mean of a standard normal distribution is zero, the mean of a normal distribution can be any real number. The key characteristic of a normal distribution is that it is symmetrical around the mean, not that the mean is always zero.
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