For the Midwest region, the average number of sales orders per representative for the group that had training is M more than the average number of sales per representative for the group
that had no training.
For the Northeast region, the average number of sales orders per representative for the group
that had training is more than the average number of sales per representative for the
group that had no training.
The data from the sales director's study indicates that the one-month training program
sales.