EC 285 - Ch. 02 - Descriptive Statistics
EC 285 - Chapter 2 - Descriptive Statistics
Textbook: Introductory Business Statistics 2e (OpenStax), Chapter 2 · Slides: Chapter 2 slides
Covered in class: Tue Sep 15, Thu Sep 17
Goals (from the slides)
- Mean, median, mode; geometric mean; percentiles and quartiles
- Shape of a distribution: symmetric, left- and right-skewed
- Range, interquartile range, variance, standard deviation, coefficient of variation (population and sample forms)
- Covariance and the coefficient of correlation
- Least squares regression line (first look)