Below please find links to archived Q&A discussion for the Create a Histogram course.
Exercise 1.1: What You'll Be Building
Exercise 1.2: You Know the Drill
Exercise 1.3: Building the Words Array
Exercise 1.4: Creating the Frequencies Hash
Exercise 1.5: Iterating Over the Array
Exercise 1.6: Sorting the Hash
Exercise 1.7: Iterating Over the Hash
Exercise 1.8: You Did It!