Exhibit 2-3
Michael's Compute-All,a national computer retailer,has kept a record of the number of laptop computers they have sold for a period of 80 days.Their sales records are shown below:

-Refer to Exhibit 2-3.If one develops a cumulative frequency distribution for the above data,the last class will have a frequency of
A)10
B)100
C)0 to 100
D)80

Question

Exhibit 2-3
Michael's Compute-All,a national computer retailer,has kept a record of the number of laptop computers they have sold for a period of 80 days.Their sales records are shown below:
 
-Refer to Exhibit 2-3.If one develops a cumulative frequency distribution for the above data,the last class will have a frequency of
A)10 
B)100 
C)0 to 100 
D)80

Quizplus · Accepted Answer

Since the data spans 80 days, the last class in the cumulative frequency distribution must include all 80 observations. Therefore, the frequency of the last class is 80.

Exhibit 2-3 Michael's Compute-All,a National Computer Retailer,has Kept a Record of the of the Number