PSYC 1010 Lecture Notes - Lecture 1: Statistical Inference, Statistic, Descriptive Statistics

• School: University of Guelph
• Department: Psychology
• Course: PSYC 1010
• Professor: David Stanley

Document Summary

The practice of collecting, analyzing, interpreting, and reporting. Two branches of statistics: descriptive statistics, organizes, summarizes, and communicates a group of numerical information, inferential statistics, using data collected from a representative group to draw conclusions about a population. Sampling error: sampling error is the _____ between a sample statistic and a population parameter. Basic research design: pick a population of interest (e. g. , students, decide how you will recruit a sample (who, how many, etc , pick a variable of interest (e. g. , study habits, decide how you will measure the variable. Turning observations into variables: observing people"s physical environment, attitudes, and behaviour leads to variables data that can take on different values (vary) Step 1: define population and variables of interest. Two possibilities: there is no real difference between the groups and sample difference due to _______, there is a difference between the groups and the sample data reflects this. Use _______ to decide between the two alternatives.