Manual Event (Session ID,DateTime,Event) = 0l0gkmjn3b9t195ccni1vsv6t7 20241125130347 /tc/communities/determine-sample-size-for-unknown-population/

Determine sample size for unknown population?

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Woody Miu

2019年10月5日

Determine sample size for unknown population?

Hi everyone! Is there any standard/common formula for determining sample size for unknown population? We are developing a project targeted at disabled women with mental health in HONG KONG, but seems that the population data is not avalible. Thank you!

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Jason Jiang

2020年2月21日

https://www.statisticshowto.datasciencecentral.com/probability-and-statistics/find-sample-size/#CI1

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Woody Miu

2019年11月7日

Thank you so much for your reply!

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Dr. MEL

2019年10月29日

Just because the number of women, the number of people with disability, and the number of people with mental health problems are all large, the number of women with disability and mental health problems should also be large. So, a simple guess is just the multiplicative product of three proportions, say (.5)(.05)(.05) = .00125. If the overall adult population is 5 million, then the target population will be 6,250.

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