PSYC 210 Study Guide - Midterm Guide: Statistical Parameter, Electronvolt, Central Tendency

• School: Simon Fraser University
• Department: Psychology
• Course: PSYC 210
• Professor: Matthew Sigal

Document Summary

## psyc 210 - lecture 2 review ## sen. N= size of pop inferential u= population mean 4. Iq, temperature in celsius: ratio variables: like interval variables but have a true zero treaction time, weight, temperature in kelvin. Shows the categories that make up a scale and the frequency per category. can be a table or a graph: ungrouped every variable is listed (categorical variables, grouped: variables are grouped together in bins (continuous variables, bin width max-min = width. #bins start with 10 bins: lower limit = width x changes depending on where the table starts h x , upper limit = ll+ (width-1, example. 245: graphs, bar charts discrete, non-touching bars, histograms: continuous variables touching bars, frequency polygons: uses points and lines instead of bars, similar to a histogram. Formulas: cumulative frequency (cf): the frequency of the current on and the row above, relative frequancy (rf) observal frequency e.