10.42 We will now investigate if differences exist in the 2020 scores for LadderChange, PosAffectChange, and NegAffectChange between African nations and American nations (taking the northern and southern regions together for both continents). Using the data file Happiness Report Data, prepare a short report analyzing the difference in means in these three variables between the nations of the two continents. Your conclusions should be supported by rigorous statistical analysis. Assume normality and data to be representative samples.