Task 3: Estimation and Hypothesis Testing I (a) Use Excel to draw histogram for your sample "Wages (dollar per hours)" data. (b) Use Excel and your sample data file to produce a suitable output, to test, at the 1% level significance, the hypothesis that, for Wages (dollar per hours) in the population with mean is 25 Is this a one-tailed or two-tailed test? Briefly explain the reasoning behind your answer. Task 3: Estimation and Hypothesis Testing I (a) Use Excel to draw histogram for your sample "Wages (dollar per hours)" data. (b) Use Excel and your sample data file to produce a suitable output, to test, at the 1% level significance, the hypothesis that, for Wages (dollar per hours) in the population with mean is 25 Is this a one-tailed or two-tailed test? Briefly explain the reasoning behind your