AP Statistics Review #4

3. A newlywed couple is trying to choose one of two cities to start their new lives together.They randomly choose 20 cost of living factors, check their values for each city, thenconduct a test to determine if one city has a significantly lower cost of living than theother. What test should they conduct?(A)Two-sample z-test(B) Two-sample t-test(C)Matched-pairs t-test(D) ² goodness-of-fit test(E)Linear regression t-test