In a deviation problem Σfidi = – 12 and A = 15; Σf = 20 then \(\overline{\mathbf{x}}\) =
A. 15.6
B. 14.6
C. 14.4
D. 12.4
Answer:C
In a deviation problem Σfidi = – 12 and A = 15; Σf = 20 then \(\overline{\mathbf{x}}\) =
A. 15.6 B. 14.6 C. 14.4 D. 12.4