More Power & Sample Size Tests (Pro)
(ORG-7711, ORG-7712, ORG-7707, ORG-7706)
Sample OPJ to download to try: More Power and Sample Size Tests.opj
We have introduced more tests for Power and Sample Size. These tests are accessible from the Statistics: Power and Sample Size menu
One-Proportion Test
Two-Proportion Test
One-Variance Test
Two Variance Test
How to
Start with a new empty worksheet
Select Statistics: Power and Sample Size: Two-Variance Test
To calculate Power, select Power for Calculate drop-down list
To calculate Sample Size, select Sample Size for that drop-down.Fill in the 1st Group Variance, 2nd Group Variance, Sample Size(or Power). Select Not Equal for Alternative Hypothesis.
Check for Power Curve so a power curve plot will be included in the result sheet.
You can also specify a column to be the source data of Sample Size/Power. Expand the "Options" node and check the More Hypothetical Sample Size/Power box and select a column from the active worksheet.

