Hasil ulangan mtk 7, 9,5,8,12,15,6,8,10,11 Carilah bilangan terstandar (bilangan baku)dari skor diatas Bantuin mba mas minta tolong

Question

Matematika Diposting : 2017-10-19 Diupdate : 2017-10-19 izfia

Pertanyaan

Hasil ulangan mtk
7, 9,5,8,12,15,6,8,10,11
Carilah bilangan terstandar (bilangan baku)dari skor diatas
Bantuin mba mas minta tolong

Answer 1

1/10-1 ((25+36+64+64+49+81+100+121+144+225)-1/10(5+6+8+8+7+9+10+11+12+15)^2)
=1/9 (909-828.1) = 8.98
akar 8.98 = 2.9