$4.$ A professor is interested in whether the type of software program used in a statistics lab affects how well students learn the material. The professor teaches the same lecture material to two classes but has one class use a point$-$and$-$click software program in lab and has the other class use a basic programming language. The professor collects final exam scores for students in each class. Conduct a hypothesis test to answer the research question. Use an alpha of $\mathrm{.}05.$