The New York Times published the sizes (square feet) and revenues (dollars) of seven different casinos in

Question:

The New York Times published the sizes (square feet) and revenues (dollars) of seven different casinos in Atlantic City. Is there sufficient evidence to support the claim that there is a linear correlation between size and revenue? Do the results suggest that a casino can increase its revenue by expanding its size?
Correlation between Size and Revenue is:
0.44456896