NCI DCP Power Program: Standard Statistical Problems using Normal Approximations [ref: Lachin]

8. Standard Statistical Problems using Normal Approximations [ref: Lachin]

Select What to Calculate, then enter the remaining Parameter Values. Optionally, select a parameter to Fast-Forward, and specify number of and increment per iteration. Press the Default button to use the original default parameter values, or the Undo button to clear modifications made to current defaults. Press the Calculate button for results.

Specify Standard Statistical Test:

What to Calculate:	Fast Forward:	Specify Parameters:
		Null Hypothesis H(0) mean value:
		Alternative Hypothesis H(1) mean value:
		Number of observations in the sample:
		Single Observation Variance:
		Degrees of Freedom for Variance Estimate:
		Power level:
		One-sided alpha level:
	none	Fast Forward Options: # Iterations: Size of Increment: