Statistical training. The accounting firm described in Exercise 30 is interested in providing opportunities for its auditors to gain more expertise in statistical sampling methods. They wish to compare traditional classroom in- struction with online self-paced tutorials. Auditors were as- signed at random to one type of instruction, and the auditors were then given an exam. The table shows how the two groups performed. What do you conclude? (Assume the assumptions for inference are met.)
|
Program
|
n
|
Mean
|
SD
|
|
TraditionalOnline
|
296
275
|
74.5
72.9
|
11.2
12.3
|