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 ...

The tool calculates and displays the sample size needed for detecting a given Minimum Detectable Effect (MDE), considering statistical significance and power. It also accounts for multiple groups by ...

Sample Size Calculator is an open-source web application designed to determine the necessary sample size for statistical experiments. It supports both binary and continuous data analyses, making it a ...