4. Statistics and Probability

The Normal Distribution — Quiz

Test your understanding of the normal distribution with 5 practice questions.

Practice Questions

Question 1

In a normal distribution, what do the mean and the median usually tell us about the center of the distribution?

Question 2

What shape is the graph of a normal distribution?

Question 3

In the standard normal distribution, what are the values of the mean and the standard deviation?

Question 4

What is the purpose of a $z$-score in normal distribution problems?

Question 5

If $X$ is normally distributed, what does the area under the curve between two values represent?