Use Table 8.9 to determine the cumulative sum of forecast errors as of period 6 for the department chairman's forecast.
A. -10
B. -6
C. -8
D. -4
Answer:C
Use Table 8.9 to determine the cumulative sum of forecast errors as of period 6 for the department chairman's forecast.
A. -10 B. -6 C. -8 D. -4