PSYC 2020 Chapter Notes - Chapter 2: Frequency Distribution, Normal Distribution, Unimodality

• School: York University
• Department: Psychology
• Course: PSYC 2020
• Professor: heatherjenkins

Document Summary

Qfrequency distributions raw scores: data that have not yet been transformed or analyzed. > organize raw scores in a frequency distribution frequency distribution: describes the pattern of a set of numbers by displaying a count or proportion for each possible value of a variable. > display the pattern of the scores - the length of a video clip. > method for simplifying and organizing data four different ways to visually describe just one variable: frequency table, grouped frequency table, frequency histograms, frequency polygon. > is visual depiction of data that shows how often each value occurred; that is, how many scores were at each value. Frequency column > tallies are determined for each value (how often each x value occurs in the data set) The sum of the frequencies should equal n. > third column can be used for proportion (p) for each category p=f/n.