https://blogfreely.net/heronja....r60/good-article-489
How to Calculate Sample Size in Excel: A Clear Guide Calculating the proper sample size is a crucial step in conducting any research. It helps ensure that the results obtained from the study are statistically significant and representative of the population being studied. Excel is a powerful tool that can be used to calculate sample size quickly and easily. To calculate sample size in Excel, there are several methods available. One method involves using the COUNTA function, which co