Twenty American cities were rated on a scale of 1 to 5 for general livability by the

Question:

Twenty American cities were rated on a scale of 1 to 5 for general “livability” by the American Board of Real Estate Brokers. The ratings (without the city labels) are shown below:
1, 5, 2, 4, 5, 4, 3, 3, 2, 4, 5, 3, 4, 5, 2, 1, 5, 4, 3, 2
a. Show the data in a relative frequency table.
b. Show the data in a relative frequency bar chart.