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

Statistics 130M Notes January 19, 2017 notes= January 26, 2017 class Tuesday January 24, 2017 Sick- Skipped Class. Sorry All Thursday January 26, 2017 Chapter 3 Numerical descriptive techniques - Allows us to be precise - Most mathematical calculations Information - When interrupting a histogram we focus on shape Population - Described by parameters - Parameters are often written using greek letters Summaries for symmetric distribution - Central tendency o Balancing point/ halfway point o ***should be same**** o Average of mean o Center of symmetric distribution Skewed distribution - Extreme values/ outliers effected the average - Curve killer - Don’t use balancing point Arithmetic mean