need to find the p-value

A real estate developer is considering investing in a shopping mall on the outskirts of Atlanta, Georgia. Three parcels of land are being evaluated. Of particular importance is the income in the area surrounding the proposed mall. A random sample of four families is selected near each proposed mall. Following are the sample results. At the 0.05 significance level, can the developer conclude there is a difference in the mean income? Use the usual six-step hypothesis testing procedure. Southwyek Area Franklin Park Old Orchard (5000) (8000) (5000) 64 68 70 60 74 71 69 70 75 80 76 78 d. Compute the p-value. (Round your answer to 4 decimal places.) p-value