Ana is working at her sister's pizzeria researching the preparation of different pizza dough recipes. A sample of 27 recipes rev
ealed the following information regarding the linear relationship between cost ($/lb) and preparation time (min). Computer Regression Output for Preparation Time (min) vs. Cost ($/lb)
Predictor Coef SE Coef T P
Constant 18.7095 0.0634 295.31 0.0
Cost -3.9967 0.0384 -104.0 0.0
S = 0.033 R-Sq = 94.24% R-Sq (Adj) = 94.009%
a. Find the equation of the Least Squares Regression Line (LSRL).
b. Using an x-axis and y-axis, create a beautiful graph of the LSRL.
