6th Module 6 - Statistics Study Guide Rated A+

Variability {Ans: Refers to the extent to which data points differ from each other. There are four commonly used measures of variability: range, mean, variance and standard deviation.}Statistical question {Ans: A question that can be answered by collecting data and that anticipates variability in the data collected.}Skewed Right {Ans: A data set with the tail to the right. The mean is greater than the median.}Stem and Leaf Plot {Ans: A method of graphing a collection of numbers by placing the "stem" digits (or initial digits) in one column and the "leaf" digits (or remaining digits) out to the right. (leaf digits need to be ordered least to greatest) (In image, the minimum is 19 and the maximum is 62)}Mode {Ans: the most frequently occurring score(s) in a distribution}Categorical Data {Ans: Data that can be represented as a group or category (ex. hair color or flavor of ice cream).}