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Simpangan baku dari data : 18,16,15,17,17,19 adalah?
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- 7 years agoFavorite Answer
√2
cara :
1. dcari rata2 dulu
2. rata2 dkurangi dg masing2 data
3. masing2 data dkuadratkan kmdn djumlahkan
4. hasilnya dbagi (n-1), n adalah jmlh data >> nilai ini adalah varians = 2
5. simpangan baku = akar varians
- 7 years ago
18,16,15,17,17,19 (6)
rataan= 17
=â(18-17)²+(16-17)²+(15-17)²+(17-17)²+(17-17)²+(19-17)²/6-1
=â1+1+4+0+0+4/5
=â10/5
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