A school conducted an analysis to find out the average score of its students in various subjects. The results from a survey of 80 students are summarized below:
- Mathematics: 75
- Science: 82
- English: 68
- History: 70
- Geography: 74
The principal wants to evaluate the overall performance of the students and determine which subject has the highest average score. Additionally, the principal is interested in knowing what percentage of students scored above the average in Science.