Too Much or Not Enough: Sample Sizes and Statistical Analysis
Minitab Statistical Software
| 6 Minute Read
Collecting a subset of data and not measuring the entire population makes statistical analysis practical, saving money and time with sampled data.
Power and Sample Size for Hypothesis Tests
Hypothesis Testing
| 4 Minute Read
The power of your hypothesis test depends on the sample size. Larger sample size = Higher power. Learn more about calculating Power and Sample Size.
How Powerful Am I? Power and Sample Size in Minitab
Minitab Statistical Software
| 2 Minute Read
Power is the probability of correctly rejecting the null, or more simply the likelihood you'll find a significant effect or difference when one exists.
How Much Data Do You Really Need? Check Power and Sample Size
Minitab Statistical Software
| 3 Minute Read
Collecting data is like tasting fine wine — take a small sip and you can't assess it properly; but take a giant swig and your palate will be overwhelmed!