Md. Arif Billah

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Questions related from Md. Arif Billah

What is the difference between prevalence and proportion of true population regarding to the sample size calculation?

I am doing a prevalence study on HIV/AIDS patients. But I need to know the sample size using the single(one)-sample formula. I used 0.5 for the unknown but true proportion of the population, while...

09 October 2020 9,347 3 View

Sample size for the cross-sectional study?

I am doing a project on HIV patients to explore their quality of life (WHOQOL-HIV-BREF) regarding 7 variables of which 3 variables are scale generated consisted of 18 items. As a prevalence study...

10 August 2020 7,221 3 View