SOCR EduMaterials AnalysisActivities NormalPower Power
From Socr
1. Click on SELECT PARAMETERS to define parameter values. Note that all the fields are required, otherwise the power will not be computed.
![](/socr/uploads/thumb/7/71/SOCR_AnalysisActivities_NormalPowerPower_Chu_051707_Fig1.gif/700px-SOCR_AnalysisActivities_NormalPowerPower_Chu_051707_Fig1.gif)
2. Click on CALCULATE to get the power.
![](/socr/uploads/e/e2/SOCR_AnalysisActivities_NormalPowerPower_Chu_051707_Fig2.gif)
3. Then click on RESULT to see the results.
![](/socr/uploads/thumb/8/8e/SOCR_AnalysisActivities_NormalPowerPower_Chu_051707_Fig3.gif/700px-SOCR_AnalysisActivities_NormalPowerPower_Chu_051707_Fig3.gif)
4. Click on GRAPH to see a function of possible values of power.
![](/socr/uploads/thumb/c/cb/SOCR_AnalysisActivities_NormalPowerPower_Chu_051707_Fig4.gif/700px-SOCR_AnalysisActivities_NormalPowerPower_Chu_051707_Fig4.gif)
5. Click on COMPARE CURVES to view distrubution of the population and the mean.