Procedure: Confidence Intervals
UNISTAT statistical package extends Excel with Confidence Intervals support.
Sample output
Here we provide annotated example report output from the UNISTAT Excel add-in for data analysis.
Confidence Intervals
Data variable: Room Averages
Number of Cases: 168
| 95% Confidence Interval | Value | Lower | Upper |
|---|---|---|---|
| Mean (Z-Score) | 722.2976 | 700.7258 | 743.8695 |
| Mean (t-Score) | 722.2976 | 700.5684 | 744.0268 |
| Variance | 20351.0007 | 16604.9636 | 25532.2875 |
| Normal Approximation | Value | Lower | Upper |
|---|---|---|---|
| Median | 709.5000 | 679.0000 | 735.0000 |
| 25% Quantile | 612.0000 | 592.0000 | 645.0000 |
| 75% Quantile | 805.5000 | 773.0000 | 833.0000 |
| 96.30732% Exact Conservative Interval | Value | Lower | Upper |
|---|---|---|---|
| Median | 709.5000 | 679.0000 | 735.0000 |
| 25% Quantile | 612.0000 | 592.0000 | 645.0000 |
| 75% Quantile | 805.5000 | 773.0000 | 833.0000 |