VIDEO How to Determine Sample Size

Video on the formula for determining sample size.

[@indrajit2962]

may i know the literature/theory where you derived this formula?

[@Slappingplastic]

I don't get what the point of the .7 was

[@misganawmekonnen57]

interesting video

[@getayeaynalem9089]

Why not fast download

[@PhillipKaingu]

what is planning value?

[@halahaidar1646]

I dont get how did you get the 1.96 from?

[@vishnusekar9112]

Empirical value for 95% confidence level

[@Slappingplastic]

Critical value of a z score of 95%

[@christianandrews992]

I got 189 after rounding up