You are given n = 8 measurements: 4, 1, 3, 1, 3, 1, 2, 2.
a. Find the range.
b. Calculate x̅ .
c. Calculate s² and s using the computing formula.
d. Use the data entry method in your calculator to find x̅, s, and s². Verify that your answers are the same as those in parts b and c.