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No. & Date Asked  Question 

# 203 :: 5/22/08

How to determine the sample size for comparing mulltiple parameters like Height , weight, Blood pressure , Blood parameters like blood glucose, total. . .
Sample Size,
Power,
ANOVA,
ttest 
# 327 :: 8/8/08

Want a sample size of about 60 (30 controls and 30 cases). At 5% significance and 80% power.How do i determine the standard deviation and mean differe. . .
Power,
Standard Deviation,
Mean Difference 
# 515 :: 11/19/08

I run various A/B Split tests online. I always set all my tests for 10,000 visitors so page A and B are each equally rotated 5,000 times. My problem. . .
2proportion test,
Normal Approximation to Binomial ,
Power,
A/B Testing 
# 564 :: 12/19/08

For each of the following situations, indicate whether an error has occurred and, if so, indicate what kind of error (Type I or Type II) has occurred.. . .
Type I Error,
Type II Error,
Power,
Hypothesis Test 
# 821 :: 10/18/09

A manufacturer can typically process 176264 devices a given period of concern. In this situation the processing event is either pass or fail. There i. . .
Power,
Sample Size,
Effect Size,
1Proportion Test 
# 890 :: 6/14/11

I've a set of related questions on power analysis.
Suppose I have an experiment with 5 groups and 5 DVs and intend to conduct MANOVA to determine . . .
MANOVA,
Power 