The cost of building a supermarket is related to the total area of the building. Data for the last 10 supermarkets built for Regork, Inc., are shown in the accompanying table. a. Develop a CER for the construction of supermarkets. Use the CER to estimate the cost of Regork's next store, which has a planned area of 23,000 square feet.
b. Compute the standard error and correlation coefficient for the CER developed in Part (a).

Building Area(ft^2) Cost($)
1 14,500 800,000
2 15,000 825,000
3 17,000 875,000
4 18,500 972,000
5 20,400 1,074,000
6 21,000 1,250,000
7 25,000 1,307,000
8 26,750 1,534,000
9 28,000 1,475,500
10 30,000 1,525,000