Pasta Bistro periodically offers a special on their signature six-piece garlic bread carryout at various prices. These data have been obtained:
Price Sets sold
$3 550
$3 560
$2 830
$5 230
$4 350
$4.5 290
a) Based on the historical observations in the above table, determine the regression equation.
b) What is the model's correlation coefficient? Comment on the strength of the relationship between the price and the number of sets sold.
c) Would any sets be expected to sell if the price is set at $6? If yes, how many?