<img align="middle" alt="V a r i a n s equals S squared equals fraction numerator sum from i equals 1 to n of left parenthesis x subscript i minus top enclose x right parenthesis squared over denominator n end fraction equals fraction numerator left parenthesis x subscript 1 minus top enclose x right parenthesis squared plus midline horizontal ellipsis plus left parenthesis x subscript n minus top enclose x right parenthesis squared over denominator n end fraction right parenthesis" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»V«/mi»«mi»a«/mi»«mi»r«/mi»«mi»i«/mi»«mi»a«/mi»«mi»n«/mi»«mi»s«/mi»«mo»=«/mo»«msup»«mi»S«/mi»«mn»2«/mn»«/msup»«mo»=«/mo»«mfrac»«mrow»«munderover»«mo»§#8721;«/mo»«mrow»«mi»i«/mi»«mo»=«/mo»«mn»1«/mn»«/mrow»«mi»n«/mi»«/munderover»«mo»(«/mo»«msub»«mi»x«/mi»«mi»i«/mi»«/msub»«mo»-«/mo»«menclose notation=¨top¨»«mi»x«/mi»«/menclose»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«/mrow»«mi»n«/mi»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mo»(«/mo»«msub»«mi»x«/mi»«mn»1«/mn»«/msub»«mo»-«/mo»«menclose notation=¨top¨»«mi»x«/mi»«/menclose»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«mo»+«/mo»«mo»§#8943;«/mo»«mo»+«/mo»«mo»(«/mo»«msub»«mi»x«/mi»«mi»n«/mi»«/msub»«mo»-«/mo»«menclose notation=¨top¨»«mi»x«/mi»«/menclose»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«/mrow»«mi»n«/mi»«/mfrac»«mo»)«/mo»«/math»" height="48" role="math" src="data:image/png;base64,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" style="vertical-align: -12px;" width="432" />

Cari rata-rata terlebih dahulu

<img align="middle" alt="top enclose x equals fraction numerator 8 plus 8 plus 6 plus 6 plus 8 plus 12 over denominator 6 end fraction equals 48 over 6 equals 8" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«menclose notation=¨top¨»«mi»x«/mi»«/menclose»«mo»=«/mo»«mfrac»«mrow»«mn»8«/mn»«mo»+«/mo»«mn»8«/mn»«mo»+«/mo»«mn»6«/mn»«mo»+«/mo»«mn»6«/mn»«mo»+«/mo»«mn»8«/mn»«mo»+«/mo»«mn»12«/mn»«/mrow»«mn»6«/mn»«/mfrac»«mo»=«/mo»«mfrac»«mn»48«/mn»«mn»6«/mn»«/mfrac»«mo»=«/mo»«mn»8«/mn»«/math»" height="35" role="math" src="data:image/png;base64,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" style="vertical-align: -12px;" width="263" />

Sehingga

<img align="middle" alt="S squared equals fraction numerator left parenthesis 8 minus 8 right parenthesis squared plus left parenthesis 8 minus 8 right parenthesis squared plus left parenthesis 6 minus 8 right parenthesis squared plus left parenthesis 6 minus 8 right parenthesis squared plus left parenthesis 8 minus 8 right parenthesis squared plus left parenthesis 12 minus 8 right parenthesis squared right parenthesis over denominator 6 end fraction
S squared equals fraction numerator 0 plus 0 plus 4 plus 4 plus 0 plus 16 over denominator 6 end fraction equals 24 over 6 equals 4" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msup»«mi»S«/mi»«mn»2«/mn»«/msup»«mo»=«/mo»«mfrac»«mrow»«mo»(«/mo»«mn»8«/mn»«mo»-«/mo»«mn»8«/mn»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«mo»+«/mo»«mo»(«/mo»«mn»8«/mn»«mo»-«/mo»«mn»8«/mn»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«mo»+«/mo»«mo»(«/mo»«mn»6«/mn»«mo»-«/mo»«mn»8«/mn»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«mo»+«/mo»«mo»(«/mo»«mn»6«/mn»«mo»-«/mo»«mn»8«/mn»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«mo»+«/mo»«mo»(«/mo»«mn»8«/mn»«mo»-«/mo»«mn»8«/mn»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«mo»+«/mo»«mo»(«/mo»«mn»12«/mn»«mo»-«/mo»«mn»8«/mn»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«mo»)«/mo»«/mrow»«mn»6«/mn»«/mfrac»«mspace linebreak=¨newline¨/»«msup»«mi»S«/mi»«mn»2«/mn»«/msup»«mo»=«/mo»«mfrac»«mrow»«mn»0«/mn»«mo»+«/mo»«mn»0«/mn»«mo»+«/mo»«mn»4«/mn»«mo»+«/mo»«mn»4«/mn»«mo»+«/mo»«mn»0«/mn»«mo»+«/mo»«mn»16«/mn»«/mrow»«mn»6«/mn»«/mfrac»«mo»=«/mo»«mfrac»«mn»24«/mn»«mn»6«/mn»«/mfrac»«mo»=«/mo»«mn»4«/mn»«/math»" height="85" role="math" 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style="vertical-align: -43px;" width="473" />

Varians (ragam) dari data 8,8,6,6,8,12 adalah ....

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Varians (ragam) dari data 8,8,6,6,8,12 adalah ....

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