**Excel Calculators – Misc.**

**Excel Calculators for Normal Distribution Problems**

**Excel Calculators for Confidence Intervals**

- Confidence Intervals (z and t) for the Population Mean
- Confidence Interval (t) for Mean Difference
**Sigmas Not Known** - Confidence Interval (z) for Difference between Population Proportions
- Confidence Level for Population Proportion Confidence Interval
- Minimum Sample Size for Proportion Confidence Interval
- Minimum Sample Size for Population Mean CI given c, sigma, E
- Confidence Intervals and Prediction Intervals for Linear Regression
- Confidence Intervals for the Population Mean
- Confidence Intervals for the Population Proportion

**Excel Calculators for Hypothesis Tests**

- Critical Values and Degrees of Freedom
- 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-samples z-test for Difference between Population Means – Sigmas Known
- Two-(Independent) samples t-test for Difference between Population Means – Sigmas Not Known
- Paired (Dependent) samples t-test for Difference between Population Means
- Two-samples z-test for Difference between Proportions
- Two-samples t-test for Correlation
- Two-samples F-test for Population Variances – BUS 503 version

**Technology Tools**