Exhibit 20.3.A company which produces financial accounting software wants to offer better training to its customers.The training is intended to decrease the amount of time required to do complicated accounting calculations.For seven individuals,the amount of time (in minutes)to complete a complicated calculation is determined before and after completing the new training. Refer to Exhibit 20.3.The value of the test statistic is:

Question

Exhibit 20.3.A company which produces financial accounting software wants to offer better training to its customers.The training is intended to decrease the amount of time required to do complicated accounting calculations.For seven individuals,the amount of time (in minutes)to complete a complicated calculation is determined before and after completing the new training.  Refer to Exhibit 20.3.The value of the test statistic is:

Quizplus · Accepted Answer

Since we are comparing two means of the same sample, we should use a paired t-test. 
Based on the information given in the exhibit, we do not have the actual sample data to calculate the test statistic. Therefore, we cannot determine the exact value of the test statistic.