Find the z-score of a particular measurement given the mean and standard deviation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

The Applet assists the user in questions which specify a probability and ask for the relevant range of raw scores or z scores. The program will also transform from raw to z scores and back again, if needed.

An online course on the fundamentals of statistics including video lessons in Mean, Median, and Mode; Weighted Averages; Quartiles and Boxplots; Range and Standard Deviation; Normal Distribution; Z-scores; Intro to Inferential...

[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to applications of the Normal Distribution.

Explore the bell-shaped curve and how to calculate a z score. Additional links provided to further knowledge on outliers.

Use a z-table to find the probability of a particular measurement. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This Applet will assist the user in questions which specify a range of raw scores or z-scores and ask for a probability associated with them.

Based off of the hit television show NUMB3RS, this lesson has students examine cancer rates in population samples of the New England states to determine if the states' cancer rates are statistically similar. Hypothesis testing is...

This set contains statistics questions regarding the normal curve, its distribution, and its applications. The student, using the correct calculation, transitions between observed x-values, standard z-scores, and normal curve areas.