(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

1. Start with a new empty worksheet
2. Select Statistics: Power and Sample Size: Two-Variance Test
3. To calculate Power, select Power for Calculate drop-down list
   To calculate Sample Size, select Sample Size for that drop-down.
4. Fill in the 1st Group Variance, 2nd Group Variance, Sample Size(or Power). Select Not Equal for Alternative Hypothesis.
5. 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.