A standardized productivity scale has a ? = 25 and a ? = 5. The CEO of the company wants to know if employee participation in company decisions has an effect on productivity. A sample of n = 75 employees participated in the decision-making process was administered the productivity scale with a resulting mean of 27. Does participation in company decisions have an effect on productivity? Use ? = 0.01. Please show me the steps to work with problem and what hypotheses test do you use to solve.