PSYC 1010 Chapter Notes - Chapter 2: Frequency Distribution, Histogram

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Jennifer Steeves

Document Summary

Statistics is the use of mathematics to organize, summarize, and interpret numerical data. Histogram a bar graph that presents the data from a frequency distribution. Frequency polygon a line figure used to present data from a frequency distribution. (is derived from the histogram) There are two types of statistics: descriptive statistics, inferential statistics, descriptive statistics: Allows you to summarize and describe the characteristics of your scores using: (b) variability (a) measures of central tendency: Includes values such as the mean, median, and mode. Median = 60% (the value that"s in the middle of the data) Mean = 58% (the average of all the data) Mode = 80% (the value that occurs most frequently) (b) variability: Describes how much the scores are spread out from the mean.