**Excel Calculators for Confidence Intervals**

- Confidence Intervals for the Population Mean
- Confidence Intervals for the Population Proportion
- BUS 503 Confidence Intervals and Prediction Intervals for Linear Regression

**Excel Calculators for Hypothesis Tests**

- Single sample z-test for a Population Mean – Sigma Known
- Single-sample t-test for a Population Mean – Sigma Not Known
- Single sample z-test for a Proportion
- Two-sample z-test for Difference between Population Means – BUS 503 version
- Two-sample t-test for Difference between Population Means – BUS 503 version
- Paired sample t-test for Difference between Population Means – BUS 503 version
- Two-sample z-test for Difference between Proportions
- Two-sample F-test for Population Variances – BUS 503 version

**Technology Tools**