(Solved by Humans)-. An important factor in selecting software for word processing

Paper Details

.? An important factor in selecting software for word processing and data base management systems is the time required to learn how to use a particular system.? In order to evaluate three file management systems, a firm designed a test involving five different word processing operators.? Since operator variability was believed to be a significant factor, each of the five operators was trained on each of the three file management systems.? The data obtained in hours are shown.? (30 points)

??????????????????????????????????????????????????????????? System

??????????????????????????????????????????????? A???????? ????? B?????????????? C

??????????? Operator 1?????????????????? 16??????? ????? 16????????????? 24

??????????? Operator 2?????????????????? 19??????? ????? 17????????????? 22

??????????? Operator 3?????????????????? 14??????? ????? 13????????????? 19

??????????? Operator 4?????????????????? 13??????? ????? 12????????????? 18

??????????? Operator 5?????????????????? 18??????? ????? 17????????????? 22

Using? .05,? test to see if there is any difference in training time for the three systems.? Run comparison t-tests to verify which system is different.