Does anyone have information or references about the Richard Geiger's equation?

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Joachim Domsta

Mubarak Mohammed Noor Ibrahim Abakar

Can you please present the formula under question

Tiju Baby

I think this will help you sir,

Article A simple method of sample size calculation for linear and lo...

Hello Dear Joachim Domsta

Thanks for your response

Attached is the formula of the equation

I found this formula in some websites but I'm not sure of its reliability or its source

Hello Dear Tiju Baby

Thanks for your recommendation

Really appreciate it

Thanks, but what are the quantities z and d, please?

James R Knaub

Please see my response at https://www.researchgate.net/post/How_reliable_is_the_Richard_Geiger_equation_in_determining_sample_size_Is_there_a_reference_for_this_equation

There you will see a link to a Penn State provided resource.