The first step in using this formula is finding the Z-score based on your desired confidence level. You can use an online Z-score table or refer to Excel’s built-in NORM.S.INV() function. To find the ...

Calculating the sample size is an essential part of any statistical analysis or research project. If you are a researcher looking to find the right sample size for your study, Microsoft Excel can be a ...

This self-paced online course covers the basics of sample size estimation. It will be of use to those embarking on a research project and who are perhaps trying to complete ethics and grant ...

NOTE: This course will be delivered in hybrid mode, i.e. the in-person lecture will be transmitted live on zoom. The face-to-face part of the hybrid courses will go ahead conditional on at least 5 ...

Sample size is the number of completed responses your survey receives. It’s called a sample because it only represents part of the group of people (or target population) whose opinions or behavior you ...

Objectives: To produce an easily understood and accessible tool for use by researchers in diagnostic studies. Diagnostic studies should have sample size calculations performed, but in practice, they ...