Table 117 -Use the Information in Table 11

Multiple Choice

Table 11.7
$\begin{array} { | c | c | } \hline \text { Month } & \begin{array} { c } \text { Units Sold } \\( 00 ) \end{array} \\\hline 1 & 150 \\2 & 145 \\3 & 160 \\4 & 180 \\5 & 220 \\\hline\end{array}$
-Use the information in Table 11.7. The cumulative sum of errors CFE from months 2 through 5 is

A) less than or equal to 80.
B) greater than 80 but less than or equal to 85.
C) greater than 87 but less than or equal to 90.
D) greater than 90.