Sagot :
Answer:
127
Step-by-step explanation:
[tex]∑x = 15 + 10 + 12 + 18 + 20 + 16 + 17 + 19 = 127[/tex]
∑ is summation symbol, ∑ X= X+X2 + ...+ Xπ
Answer:
127
Step-by-step explanation:
[tex]∑x = 15 + 10 + 12 + 18 + 20 + 16 + 17 + 19 = 127[/tex]
∑ is summation symbol, ∑ X= X+X2 + ...+ Xπ