If you’re one of those that needs hard data, you can use Raosoft’ssample size calculator. Once you set themargin of errorandconfidence level, you’ll enter the population size and the response distribution to collect a hard figure you can use to gather the best data. Source Consider Dev...
A Raosoft sample size calculator was used (http://www.raosoft.com/samplesize.html, accessed on 23 July 2021). Ethics approval was obtained from the institutional review committee (IRC) at Riphah International University, Pakistan (IIDC/IRC/2021/002/006). The study employed the Dental ...
An online freely available software, Raosoft, calculated the sample size independently for pharmacy (n = 257) and for medical (n = 373) with a 5% margin of error, 95% confidence interval and assuming a maximum possible population of 20,000 for each discipline at a response distribution of ...