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:
Number of Laptops Sold | Number of Days |
0 - 19 | 5 |
20 - 39 | 15 |
40 - 59 | 30 |
60 - 79 | 20 |
80 - 99 | 10 |
Total | 80 |
Refer to Exhibit 2-3. If one develops a cumulative frequency distribution for the above data, the last class will have a frequency of
◦
10
◦
100
◦
0 to 100
◦
80