PSY 21500 Study Guide - Final Guide: Bar Chart, Skewness, Cumulative Frequency Analysis

88 views3 pages

Document Summary

Stats chapter 2 in class assignment: n is population. Sigma means sum of f is frequency associated with each score in a frequency distribution: bar graph is discrete and histogram is continuous. Bar graph is the same as histogram except that histogram has no graph while bar graph so. N. cf is the total in frequency: n is not 6, numbers 1-7 including 6 should be in the graph, meaning the f is wrong, the cf is wrong. It should have gone from 7 to 1. 1 2 3: 3 levers l r c. Bar graph is best recommended: discrete nominal / ordinal. Continuous- interval/ratio: counting brands of cell phones owned by students nominal and bar graph different body weights reported in a statewide survey is ratio because true zero and can be measured with number. People falling into one of right salary ranges is ordinal. Number of students absent from class is ratio: independent variable is low or high light.