Test the claim of the manager by P-value approach and use alpha 0.01. Q8. A manger claims that the variance for working hours for HR professional are 3 hours in a day. He selected few employees and found their working hours as follow 10, 11, 7,8,8,9,10,10.5, 9.5, 7.5, 8.8, 9.5, 6, 5 Test the claim of the manager by traditional approach and use alpha 0.04.