Visualisations should be publication quality (title, labels, etc 1 27 marks A Unit Coordinator has chosen three of the tutorial groups at random from the list of tutorials and would like to compare the in semester scores (out of 50) for students in the three groups Students can be assumed to be independent Analyse the hypothesis that the three groups have the same average score with a significance level of 0 05 A full analysis is required with null alternative hypothesis 3 descriptive statistics (mean and standard deviation of each group) 2 visualisation 3 description of the visualisation (location, spread, shape) 3 assumptions 9 is this analysis valid 1 analysis in R Excel 2 interpretation 4 USE R only DATA

Question: Visualisations should be publication quality (title, labels, etc 1. [27 marks] A Unit Coordinator has chosen three of the tutorial groups at random from the