Problem 4.1: (20 points): Statistics
Suppose that the data given below were measured in an experiment.
15, 16, 5, 7, 20, 19, 8, 13, 6, 17, 6, 9, 19, 6, 14, 8, 20, 5, 18, 8, 13, 7, 18
a) (6 pts.) Construct a frequency table if the class width is 3.
b) (6 pts.) Use the frequency table to draw a Bar chart of the given data.
c) (8 pts.) What is the mean, the mode, the median, and the Range.