​Z Score Practice Problems

Welcome to the Z Score Practice Test! This quiz is designed to help you test your understanding of Z scores and their application. Answer multiple-choice questions and receive immediate feedback on your responses. Good luck!

Z Score Practice Test

1. What is a Z score?

A measure of central tendency
A measure of variability
A measure of how many standard deviations a data point is from the mean

2. What does a positive Z score indicate?

The data point is below the mean
The data point is above the mean
The data point is more than one standard deviation above the mean

3. What does a Z score of 0 indicate?

The data point is exactly at the mean
The data point is one standard deviation above the mean
The data point is one standard deviation below the mean

4. What is the range of possible values for a Z score?

-2 to 2
-1 to 1
No limit, but most values fall within -3 to 3

5. What is the formula for calculating a Z score?

(data point - mean) / standard deviation
mean / data point * standard deviation
(data point + mean) * standard deviation

Submit

Visit z-table.com to learn more about z score table and z critical values and probabilities.