Basic Statistics Statistics Formula Cheat Sheet. Xx s n x n s. The most common descriptive statistics are in the following table along with their formulas and a short description of what each one measures.
Linearity of expected value variance of a linear combination ๐ 2๐ ๐ ๐ ๐ 2๐ 2๐ 2 variance of linear combination of independent x y ๐ 2 2๐ ๐ 1 2 stat 101 formulas. Part of statistics for dummies cheat sheet. After data has been collected the first step in analyzing it is to crunch out some descriptive statistics to get a feeling for the data.
Ap statistics cheat sheet pdf formula review chart.
Important and always useful probability definitions such as independence and rules such as the multiplication rule and the addition rule. Xx s n x n s. How correlated are the data from two variables. Z is the critical value for the confidence level you need.
