Hypothesis Tests on One Mean: A t Test Example @jbstatistics

Hypothesis Tests on One Mean: A t Test Example @jbstatistics

Uploaded March 2012 | Updated September 2026, 2 hours ago

I have an updated and improved t test example video available at: youtu.be/kQ4xcx6N0o4

I work through an example of a one-sample t test, finding the p-value from R as well as the t table, and reach an appropriate conclusion.

Hypothesis Tests on One Mean: A t Test Example

Basics of Probability: Unions, Intersections, and Complements

The Hypergeometric Distribution: An Introduction (fast version)

Calculating Power and the Probability of a Type II Error (A One-Tailed Example)

Standardizing Normally Distributed Random Variables (fast version)

Introduction to the Negative Binomial Distribution

Using the Chi-square Table to Find Areas and Percentiles

The Normal Approximation to the Binomial Distribution

Chi-square tests for count data: Finding the p-value (old, fast version)

Measures of Variability (Variance, Standard Deviation, Range, Mean Absolute Deviation)

Proof that the Sample Variance is an Unbiased Estimator of the Population Variance

Finding Probabilities and Percentiles for a Continuous Probability Distribution

Hypothesis Tests on One Mean: A t Test Example