S W 318 Study Guide - Quiz Guide: Standard Deviation, Statistical Inference, Descriptive Statistics
Document Summary
Time series how many things change over time. Can be used with ordinal, nominal, or interval-ratio. Time series: do not use when time is not included. Mode: can be used with all levels of measurement. Median: can be used with ordinal and interval-ratio. Mean: can be used with interval-ration when distribution is not skewed. Range: interval-ratio is the only measurement we can use for range. Iqr: can use ordinal and interval-ratio. Variance and standard deviation: only interval-ratio, it is not skewed. Interval-ratio does not have an absolute zero, ratio does not have an absolute zero. Be able to explain what a statistic is. *know the key terms at the end of the in-class presentations. Theory tested and thought to be true, elaborate explanation. Unit of analysis how specifically are you measuring. Sample group you study within a population. Descriptive statistics can use a sample of a population.
