- SOUTHERN HORIZON AGRICULTURE SUPPLY (SHAS)
The sales manager of SHAS intends to use sales of farm fertilizer to predict sales of farm tractor. He estimated a probable six-week lag between fertilizer sales and tractor sales. The pertinent data are:
|Period||Fertilizer Sales (tons)||Number of tractor sold
- Determine the correlation between the two variables. Does it appear that the relationship between these variables will yield good predictions? Explain.
- Obtain a linear regression line for the data.
- Predict expected tractor sales on the 15thperiod given fertilizer sales six weeks earlier of 2.5 tons.