2-Sample t

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

Example

In this worksheet, Lab Turnaround Time Before contains the lab turnaround times before a process improvement. Lab Turnaround Time After contains the lab turnaround times after a process improvement.

C1	C2
`Lab Turnaround Time Before`	`Lab Turnaround Time After`
36	42
37	35
46	24
39	28

How-to

From the Healthcare KPIs: Decrease Lab Turnaround Time dialog box, select 2-Sample t, then click OK.
From the drop-down list, select Each sample is in its own column.
In Sample 1, enter the column of lab turnaround times from before your process improvement.
In Sample 2, enter the column of lab turnaround times from after your 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.