Exercise 5 (9 marks) Suppose that we wish to determine whether the opinions of the voting residents of the province of Ontario concerning a new tax reform are independent of their levels of income at a 0.05 significance level. A random sample of 1000 registered voters from the province of Ontario are classified as to whether they are in a low, medium, or high income bracket and whether or not they favor a new tax reform. Complete the relevant test. Income Level Tax Reform Low Medium High For i 82 213 203 Against 154 138 l 10