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sample size calculation

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Uploaded by on Feb 26, 2009

Calculates the required sample size for a certain confidence.

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Education

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Standard YouTube License

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All Comments (13)

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  • n-1 also known as 'degree of freedom'?

  • Thank you so much! I appreciate your clarity and insight!

  • She is using Z table not t table......

  • love these videos, can you do one on bra size too?

  • Hey sexy call me....and u right I want a full woman not a half or a quarter,..

  • Wow you are awesome I remember when my teacher went over that I couldn't get it

  • I was wondering if we can see how this formula created (relation between n and E and alfa and Z)

  • you have made stats 2 easier. i love you

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