Q1: A researcher wants to know whether or not three drugs have different effects on knee pain, so he recruits 30 individuals who all experience similar knee pain and randomly splits them up into three groups to receive either Drug 1, Drug 2, or Drug 3. After one month of taking the drug, the researcher asks each individual to rate their knee pain on a scale of 1 to 100, with 100 indicating the most severe pain. The ratings for all 30 individuals are shown below: Drug 1 Drug 2 Drug 3 78 71 57 65 66 88 63 56 58 44 40 78 50 55 65 78 31 61 70 45 62 61 66 44 50 47 48 44 42 77 The researcher wants to know whether or not the three drugs have different effects on knee pain or not? Questions: Define and discuss your data? How you can study the differences between the factors? Define the related hypotheses. Can you apply one-way ANOVA? Why? Can you apply two-way ANOVA? Why? Find the final results, discuss and interpret your results