Stat > Proportion Stats > Two Sample

- Choose the
**With Data**option to use sample data from the StatCrunch data table.- Select the columns containing the first and second samples.
- Specify the sample outcomes that denote a
**Success**for both samples. - Enter optional
**Where**statements to specify the data rows to be included in both samples. If the two samples are in separate columns, this step is typically not required.

**With Summary**option to enter the number of successes and number of observations for both samples. - Select the
**Hypothesis test**or**Confidence interval**option.- For a hypothesis test, enter the difference in proportions for the null hypothesis and choose ≠, <, or > for the alternative.
- For a confidence interval, enter a value between 0 and
1 for
**Level**(0.95 provides a 95% confidence interval).

- Click
**Compute!**to view the results.

Always Learning
Pearson