## 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 | ||