For the full quant section #3 the data analysis problem which asks about the total salary expenditure for a history department given two charts: one about the number of full-time and part time in each department, and the other chart showing the percentage of full time professors in each department with tenure. The question asks for the total salary expenditure and the number of full time professors is 20, while the percentage of tenured full time professors is 0.2. In the solutions video greg says the number of tenured professors is 8. This does not look right.
Share a screenshot of the charts and the associated question.