A large annuity company holds many industry group stocks. Among the industries are banks, business services and construction. Seven companies from each industry group are randomly sampled to test the hypothesis that the mean price per share is the same among industries. The data are: (10 marks total) C JosmopiezA Banks Business Services Construction 22-7 -7 13=7 X=41 -30 X,-24 (x-x)-882 (-)-1266 (-)- 582 a. State the null and alternative hypotheses. (2 marks) b. Calculate the MSTR and the MSE. (4 marks) c. Calculate the test statistic. Using a=0.05, clearly state the conclusion. (4 marks)