2 Proportions

This example applies to the Healthcare Module. For more information, go to www.minitab.com/healthcare-module.

Example

In this worksheet, Unpaid Bills Before and Unpaid Bills After contain the number of unpaid bills before and after a process improvement. Number Before and Number After contain the total number of bills due for payment before and after the process improvement. You can enter these observations directly in the dialog box instead of storing them in the Minitab worksheet.

C1	C2	C3	C4
`Unpaid Bills Before`	`Number Before`	`Unpaid Bills After`	`Number After`
53	645	17	326

How-to

From the Healthcare KPIs: Decrease Unpaid Medical Bills dialog box, select 2 Proportions, then click OK.
From the drop-down list, select Summarized data.
In Number of events, enter the number of unpaid bills before and after the process improvement.
In Number of trials, enter the total number of bills before and after the process improvement.
Click Options. In Alternative hypothesis, choose Difference > hypothesized difference.
Click OK.

Tip

For more information about this analysis, click Help in the main dialog box.