Question

La un test cei 16 elevi ai unuei clase au obtinut urmatoarele note:2note de 3si 4 note de 6, 5note de 8,4note de 9 si 2 note de 10. Care este media clasei???

Answer 1

2 x 3 + 4 x 6 + 5 x8 + 4 x 9 + 2 x 10 supra 16
6 + 24+40+36+20 supra 16
126 supra 16
7,875

Answer 2

map= (2*3+ 4*6+ 5*8 + 4*9 +2*10)/2+4+5+4+2
=(6+24+40+36+20)/17
=126/17
=7,41