This hypothesis testing is trying to determine if there is a difference in variance in Price between Napa and Sonoma.  In other words is the price spread different based on the region.
Step 1 Define my Hypothesis
Ho: There is no difference in the Price spread between Napa and Sonoma
H1: There is a difference in the Price spread between Napa and Sonoma

Step 2: Run the HOV test (Homogeneity of Variance)