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Calculating Variance and Standard Deviation

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Uploaded by on Jan 20, 2009

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Education

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Standard YouTube License

  • likes, 15 dislikes

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Top Comments

  • 1 week of trying to learn this shit in 4:36 Minutes. Nice. Thanks!

  • thank you made it so much simple

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All Comments (171)

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  • who gets 100 is psychology...

  • how ze f**k do u do that so fast????????????

    imin grade 7 and im the best at maths in my school and i couldnt even do that

    feel embarresed :/

  • love the way you say 'squared'

  • save ah boii :D

  • Microphone is killing my ears

  • Because there are multiple formulas for variance your result may differ (drastically).

  • @abc153123 >YOUR >FEEL TO CRY >RITE >HAV >LIL >NOE >SOO >THANKZ >YUR >FORREALZZ
  • How about you lose the multiplying 'n' from the denominator and from the numerator as well and skip multiplying ?:)

  • YOUR AMAZING I FEEL TO CRY RITE NOW OMG I HAV A TEST IN A LIL WHILE I NOE I WILL DO WELL THIS TIME.. FOR GOD SAKE MY LAST GRADE WAS A 30 SOO IM HOPING FOR A PASSING GRADE, THANKZ HUN YUR A GOD SEND! FORREALZZ!! 

  • i love you so much.

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