How to calculate Sample Size manually?

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hanialbarni
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How to calculate Sample Size manually?

Post by hanialbarni » Fri Dec 26, 2014 4:44 pm

Hello
Good morning all,

Can someone please help me out in how can I use this formula, I have all data but I just need to know how can I fill it ! please see the formula of sample size I attach.

My data is as follows:
Population = 500
Confidence level = 95%
Margin of error = 5%
Z-score value = 1.96

How can I get sample size ?

In the formula there is
z^2 = ?
p = ?
e^2 = ?
N = ?

can someone fill the formula using my data please.
Attachments
sample.png
sample.png (16.93 KiB) Viewed 3015 times

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Hengkov
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Re: How to calculate Sample Size manually?

Post by Hengkov » Sun Dec 28, 2014 5:41 am

Hi,

Formula above for probability sampling. If you used non-probability I recommend to used G*Power.

Regards,

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