[5.56/11.12 Points] DETAILS MY NOTES LARCALC12 13.9.505.XP. PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER An agronomist used four test plots to determine the relationship between the wheat yield y (in bushels per acre) and the amount of fertilizer x (in hundreds of pounds per acre). The results are shown in the table. Fertilizer, x 1.0 1.5 2.0 2.5 Yield, y 29 36 43 50 (a) Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the data. y=15+14x (b) Estimate the yield (in bushels per acre) for a fertilizer application of 190 pounds per acre. (Round your answer to one decimal place.) bushels per acre