
Fig: Histogram for Distribution of Average Course Difficulties

Fig: Pie Chart for Distribution of Sentiment in Course Reviews

Fig: Scatter Plot of Average Difficulty vs. Number of Reviews

Fig: Stacked Bar Plot on Annual Course Review Sentiment

Fig: Average Length of Reviews over the years

Fig: Comparison of Review length and reported Average Difficulty

Fig: Average Difficulty across all courses reported over the years

Fig: Student Sentiments on the courses over the years

Fig: A comparison of average Course Difficulty and the Sentiment reported