- 10 2. Summary Statistics for housing prices are given below for three Mid-Atlantic States and California. Prices are given in thousands of dollars. Test to see if there is evidence of a difference in the mean housing price between the four states. Remember to identify the hypotheses, find the test statistic (fill out the table), use a p-value of 0.0461, give a justification for the conclusion, give a generic conclusion, and give a conclusion in context. State n Mean SD New York 30 565 6 697.6 New Jersey 30 388 5 224 7 Pennsylvania 30 249 6 179 3 California 30 715 1 1112 3 Overall 120 479 7 553 5