Normal distribution
Positively-skewed distribution
Negatively-skewed distribution
None of the above
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The correct answer is: A. Normal distribution
A normal distribution is a probability distribution that is symmetrical about the mean, median, and mode. It is often called a bell curve because of its characteristic bell shape. The mean, median, and mode are all equal in a normal distribution.
A positively-skewed distribution is a distribution in which the tail on the right side of the graph is longer than the tail on the left side. This means that there are more data points with values that are greater than the mean than there are data points with values that are less than the mean.
A negatively-skewed distribution is a distribution in which the tail on the left side
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