PSY 340 Study Guide - Midterm Guide: Percentile Rank, Statistical Inference, Weighted Arithmetic Mean
Document Summary
This is just a guide, read the assigned textbook chapters, and also carefully review my slides. The study guide is not meant to replace adequate preparation for the exam (doing the assigned readings, reviewing my slides, etc. Know and differentiate between the 4 scales of measurement: nominal, ordinal, interval, ratio; be prepared to recognize examples. Independent and dependent variables, predictor and criterion, quasi-independent variable. Frequency distribution tables and graphs: calculations and extracting information. Grouped frequency distribution tables and graphs: calculations and extracting information. Know what percentile rank means; know how to compute percentile ranks. Central tendency mean, median, mode: the mean (calculations, the weighted mean; computing the mean from a frequency. Distribution table; characteristics of the mean: the median: finding the median, the mode: finding the mode, selecting a measure of central tendency, when to use the median, when to use the mode.
