CH 22 Q6:

During an economic crisis, the average value of homes in a community of 36 homes lost $9539 with a standard deviation of $1300. The average home value in the region lost $9090. Was this community of 36 homes unusual? Use a t-test to decide if the average loss observed was significantly different from the region value. Use a level of significance a = 0.05. . . .. . Identify the hypotheses for the test. Ho: H = 9090 HA: H # 9090