Statistics Tutorials
If you're struggling with statistics, you don't have to go it alone. These tutorials and other resources will take you stepbystep through examples at every skill level.

Differences Between Population and Sample Standard Deviations

Facts About the Number e: 2.7182818284590452...

Differences Between Probability and Statistics

Correlation and Causation in Statistics

The Levels of Measurement in Statistics

Example of a ChiSquare Goodness of Fit Test

Hypothesis Test for the Difference of Two Population Proportions

An Introduction to the Bell Curve

Overview of Simpson's Paradox in Statistics

ChiSquare Goodness of Fit Test

The Difference Between Simple and Systematic Random Sampling

Histogram Classes

What Is a Histogram?

Examples of Zscore Calculations

Types of Samples in Statistics

Understanding Statistics

Simple Random Samples From a Table of Random Digits

How to Make a Stem and Leaf Plot

What Are Inner and Outer Fences?

Convenience Sample Definition and Examples in Statistics

Example of Two Sample T Test and Confidence Interval

Relative Frequency Histograms

Tallies and Counts in Statistics

What Is Correlation in Statistics?

How Bar Graphs Are Used to Display Data

What Is the Median?

An Introduction to Hypothesis Testing

What Are Pie Charts and Why Are They Useful?

What Is the Standard Normal Distribution?

What Is a Systematic Sample?

How to Make a Boxplot

Hypothesis Test Example

How to Conduct a Hypothesis Test

What Is a PValue?