1. Which of the following are correct statements about a normal distribution? It
ID: 3356068 • Letter: 1
Question
1. Which of the following are correct statements about a normal distribution?
It cannot assume negative numbers
It is defined by its mean and standard deviation
All of the above
All normal distributions have a variance of 1
2. For a normal distribution, what is the relationship between the mean, the median, and the mode?
it varies
Mean = Median = Mode
Mean < Median < Mode
Mean > Median > Mode
3. Under the standard normal curve, the area above the mean is
50%
100%
50
100
A.It cannot assume negative numbers
B.It is defined by its mean and standard deviation
C.All of the above
D.All normal distributions have a variance of 1
2. For a normal distribution, what is the relationship between the mean, the median, and the mode?
A.it varies
B.Mean = Median = Mode
C.Mean < Median < Mode
D.Mean > Median > Mode
3. Under the standard normal curve, the area above the mean is
A.50%
B.100%
C.50
D.100
Explanation / Answer
Answer :
1)
B) It is defined by it's mean and standard deviation.
2)
B) Mean = Median = Mode.
3)
B) 100%
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