dennis1590
New member
- Joined
- Aug 8, 2018
- Messages
- 4
[FONT="]nΣxi2- (Σ[/FONT][FONT="]x[/FONT]i)2 [FONT="]= nΣ([/FONT][FONT="]x[/FONT]i[FONT="] - xavg[/FONT][FONT="])2
So how is the left side converted to the right side. I tried everything. I only know that [/FONT][FONT="]Σ[/FONT][FONT="]x[/FONT]i =n[FONT="]x[/FONT]avg
So how is the left side converted to the right side. I tried everything. I only know that [/FONT][FONT="]Σ[/FONT][FONT="]x[/FONT]i =n[FONT="]x[/FONT]avg