Confidence Interval for paired difference
| Confidence interval for Difference of means | ||
|---|---|---|
| Sample 1 | Sample 2 | |
| Enter Data (Separated by comma ,) | ||
| Confidence Level ($1-\alpha$) | ||
| Results | ||
| Number of pairs of Obs. (n): | ||
| Mean of Diff.: $\overline{d}$ | ||
| Std. Dev. of D: $s_d$ | ||
| Standard Error of $\overline{d}$ | ||
| Degrees of Freedom: | ||
| t critical value: | ||
| Margin of Error $E$ | ||
| Lower Limit | ||
| Upper Limit | ||
