Question 368776: Which of the following statements are correct?
a. A normal distribution is any distribution that is not unusual.
b. The graph of a normal distribution is bell-shaped.
c. If a population has a normal distribution, the mean and the median are not equal.
d. The graph of a normal distribution is symmetric.
Answer by neatmath(302)   (Show Source):
You can put this solution on YOUR website! a. A normal distribution is any distribution that is not unusual.
FALSE The normal distribution is a particular continuous probability distribution which is mound-shaped, where the values tend to cluster around the mean, but it is not the opposite of "unusual."
b. The graph of a normal distribution is bell-shaped.
TRUE
c. If a population has a normal distribution, the mean and the median are not equal.
FALSE In a normal distribution, the mean, median, and mode are all equal.
d. The graph of a normal distribution is symmetric.
TRUE It is symmetric with respect to the mean.
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