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Normal Distributions: Mastery Test
5
Select the correct answer.
Which factor does the width of the peak of a normal curve depend on?
A. standard deviation
B. mean
C. median
D. mode
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Answer
\(\boxed{\text{Final Answer: A. standard deviation}}\)
Step 1 ：The width of the peak of a normal curve depends on the standard deviation. The standard deviation is a measure of how spread out numbers are. In a normal distribution, a low standard deviation indicates that the data points tend to be close to the mean, while a high standard deviation indicates that the data points are spread out over a wider range. Therefore, the width of the peak of the normal curve would depend on the standard deviation.
Step 2 ：\(\boxed{\text{Final Answer: A. standard deviation}}\)
