Oh my ! You made me stunned! Don't know how to thank you. Am quenched! Very smart and even more caring to your subscribers. I do respect you in capital " R". Love you as always❤❤❤❤ If don't mind me asking you once again, please react on this question,too. My question is , is the pilot test conducted on few from sample or few from the total population? ❤🙏
@ethiofreedom9038
5 ай бұрын
👌👌👌
@sonaseenaamedia709
5 ай бұрын
Thank you You are my reference man
@hiwotwoldemariam9872
5 ай бұрын
❤❤❤
@tenawpauls
5 ай бұрын
Can I ask you a question bro?. how can we calculate a sample size for a case-control study without having a previous study?. Thank you
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