Question

Business Stats:
a) compute the weighted average (mean) price per square foot for these buildings.
b) why is the weighted average price per square foot preferred to a simple average price per square foot in this instance?

Building - Price per sq ft - Number of sq ft
Building 1 - $75 - 125,000
Building 2 - $ 85 - 37,500
Building 3 - $90 - 77,500
Building 4 - $45 - 35,000
Building 5 - $55 -60,000
Building 6 - $110 - 130,000