Your company wants to improve sales. Past sales data indicate that the average sale was $100 per transaction. After training your sales force, recent sales data (taken from a sample of 25 salesmen) indicates an average sale of $130, with a standard deviation of $15. Did the training work? Test your hypothesis at a 5% alpha level. Find p-value.

Answer rating: 100% (QA)

Let denote true avg sales H 0 100 H 1 100 To test whether training work... View the full answer