February 24,2023 at 10 : 26 AM during an economic crisis, the average value of homes in a community of 36 homes lost 9481 with a standard deviation of 1300 . the average home value in the region lost 8990. 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 ..