# Distribution, Mean, Median, Mode, Range and Standard Deviation

This is part 1 of a lesson on describing data.

# Normal Distribution: Use the Empirical Rule to Find Percent of Scores Less Than Or Equal to X

This video explains how to apply empirical rule to determine percent of scores less than or equal to a given exam score.

# Normal Distribution: Find a Z Score and a Data Value (General)

This video explains how to determine a z-score and how to use a z-score to determine a data value.

# Introduction to the Standard Normal Distribution

This video introduces the standard normal distribution

# Standard Normal Distribution: Find a Z Score and a Data Value (Dog Weights)

This video explains how to determine a z-score and how to use a z-score to determine a data value.

# Standard Normal Distribution: Relate Standard Deviation to Z-scores

This video relates standard deviations to z-scores.

# Normal Distribution: Mean, Median, Mode, and Standard Deviation From Graph

The video explains how to determine the mean, median, mode and standard deviation from a graph of a normal distribution.