Using the data in Table 3.1, estimate the cod demand function if we use only the first seven observations.

Data from Table 3.1

Price, dollars per pound .......................... Quantity, thousand pounds per day
1.90 ...................................................................................... 1.5
1.35 ...................................................................................... 2.2
1.25 ...................................................................................... 4.4
1.20 ...................................................................................... 5.9
0.95 ...................................................................................... 6.5
0.85 ...................................................................................... 7.0
0.73 ...................................................................................... 8.8
0.25 ...................................................................................... 10.1