Question
Asked Feb 22, 2019
Given the plot of normal distributions A and B below, which of the following statements is true? Select all correct answers.
 

A normal bell curve labeled Upper A and a normal elongated curve labeled Upper B are centered at the same point. Normal curve Upper B is narrower and above normal curve Upper A.

Select all that apply:

  •  
    A has the larger mean.
  •  
  •  
    B has the larger mean.
  •  
  •  
    The means of A and B are equal.
  •  
  •  
    A has the larger standard deviation.
  •  
  •  
    B has the larger standard deviation.
  •  
  •  
    The standard deviations of A and B are equal.
Given the plot of normal distributions A and B below, which of the following statements is true? Select all correct answers
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Given the plot of normal distributions A and B below, which of the following statements is true? Select all correct answers

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Expert Answer

We are given that the both the normal curves A and B are centered at the same point. Therefore, both the curves have same mean. Also, we are given that the normal curve B is narrower than the normal curve A. Therefore, the normal curve A has larger standard deviation.

Therefore, the correct options are:

The means of A and B are equal.

A...

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