PSYB07H3 Chapter 2.3: stats CHAPTER 2.3.docx
Document Summary
Frequency distribution: an organized tabulation of the number of individuals located in each category on the scale of measurement. Shows if scores are generally high or low, concentrated in one area or spread out, allows you to see the location of any individual score relative to all others. Can be either a graph or at able. In either case, same 2 elements presented: set of categories that make up the original measurement scale, a record of the frequency, or number of individuals in each category. With ordinal, interval, or ratio scale #"s are listed in order, with a nominal scale it doesn"t matter. Proportion: measures the fraction of the total group that is associated with each score. Are often called relative frequencies because they describe the f in terms of n. Grouped frequency distribution: table presents groups of scores rather than individual scores the groups or intervals are called class intervals.
