Question 3
a) Based on the scenario above of the sales calls and the number of units sold, you will determine the confidence interval of 95% for any 25 sales calls.
A new agent by the name of Jorge has just joined and made 25 calls. Determine the estimated amount of sales calls.

b) In addition, it has been hypothesized that the number of experiences (months) impacts the predicted units sold.

. Based on this model, remodel the relationship as Multiple regression. Use MS Excel to solve it