2. (15 Points) Given the following Regression Equations within a sample scatter plot: Y=1.0+8.5x. Which has residual e values (residual values) of .1,3,.4,2. Y=1.2+7.5x. Which has residual e values (residual values) of 1,.4,3,.1 View the ABOVE "e" values for each regression equation. Square them. Sum them. Then compare the sums and explain why, which forecasting regression equation enjoys more confidence than the other and presents believable forecasts? ANSWER BELOW: 3. (15 Points) Within the Apple store, Chula Vista Mall, the store manager has received a demand from the regional director, Apple products, to forward a productivity report for the first quarter fiscal year. Sales have been reported to be very high for Apple products but the costs of achieving those sales in reports varies from very low to extremely excessive throughout the region. The Chula Vista report for 2 months in the first quarter are as follows: FIRST QUARTER MONTH 1: 500 Units Sold. Received $140,000.00. Labor/Maintenance costs =$24,000.00 MONTH 2: 610 Units Sold. Received $155,000.00. Labor/Maintenance costs =$29,500.00 Productivity is measured: Productivity = Output / Labor Costs Determine if Chula Vista store had an increase or decrease in productivity. Hint: See chapter 1 Zoom and ppt lecture slides. In your own words, interpret qualitatively the meaning of these quantitative results. ANSWER BELOW