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.

-null/alternative hypothesis

descriptive statistics (mean and standard deviation of each group)

visualisation

description of the visualisation (location, spread, shape)

assumptions

is this analysis valid?

analysis in R/Excel

interpretation