Part II: In an experiment to determine the effectiveness of sleep-inducing drugs, 18 insomniacs were randomly assigned to three treatment groups: 1) placebo, 2) standard drug, and 3) experimental drug. The response is the number of hours of sleep per night for a week, as shown in the table below: PlaceboStandard DrugExperimental Drug 5.68.410.6 5.78.26.6 5.18.88.0 3.87.18.0 4.67.26.8 5.18.06.6 Instructions: Based on the example data, please answer the following questions: a.Identify the independent and dependent variables. Independent variable: b.Please state the research hypotheses (you may state them in statistical notation OR write them out). c.What type of statistical test is appropriate given the scenario and example data? Briefly explain why this is the appropriate statistical test. d.Insert the data into an Excel spreadsheet and calculate the appropriate test. Please copy/paste your output below. e.Based on the output, what is your conclusion? Briefly report the results in scientific format.