9.67 As per the World Happiness Report, the worldwide average happiness score for 2020 is 5.53.

Since the first report in 2012, Western European countries have scored above the overall average, unlike the nations of Sub-Saharan Africa, which have scored below the average. Using the data file Happiness Report Data, check if this pattern is visible in 2020 as well by performing two hypothesis tests with the null hypothesis that the region mean equals 5.53. Assume normality and data to be representative samples.