T-Test Examples

Statistics · Axiom Academy

Master hypothesis testing for population means with worked examples Excellent work! You've completed this t-test example. Here's what we learned: Hypothesis Setup: Always clearly state null and alternative hypotheses with proper notation. Test Statistic: The t-statistic measures how many standard errors the sample mean is from the hypothesized population mean. Degrees of Freedom: For a one-sample t-test, df = n - 1. This affects the critical values and p-values. Decision Rule: Compare the test statistic to critical values or use the p-value approach to make your conclusion. Practical Interpretation: Always state your conclusion in the context of the original problem. Practice these steps with different examples to build confidence in conducting t-tests!

This is the written version of the interactive lesson above. See the full Statistics course.