Table 15-2 Given the Sample Results (100 Units in Each Sample)

Multiple Choice

Table 15-2
Given the sample results (100 units in each sample) :
-A company has been receiving complaints about the attitude of some sales clerks.Over a 10-day period,the total number of complaints was 360.The company wishes to develop a control chart for the number of complaints.What would the upper control limit on the number of complaints per day be for a 2 sigma (95.5%) control chart?

A) 12
B) 42
C) 48
D) 54
E) None of the above