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Comparing Two Means: 2 Sample t-test Tutorial

Approximate time to complete: 30 Minutes

This tutorial will cover the following concepts:
  1. Is there a statistically significant difference ?
  2. Standard error of the difference between means
  3. Null and Alternative Hypothesis when testing two means
  4. Interpreting p-values.
  5. Confidence interval around the difference between means.
  6. Using software to conduct 2-sample t-tests.
While not required, having reviewed the following tutorials will help

  Will this sign slow cars down?

How do we know if we have a statistically significant result?

This tutorial contains the following lessons: