PSY 201 Chapter Notes - Chapter 1: Statistical Inference, Ordinal Data, Descriptive Statistics
4 Sep 2018
School
Department
Course
Professor
Document Summary
Displaying the order in a group of numbers using tables and graphs. Statistics - a branch of mathematics that focuses on the organization, analysis, and interpretation of a group of numbers. Descriptive statistics - psychologists use descriptive statistics to summarize and describe a group of numbers from a research study. Inferential statistics - psychologists use inferential statistics to draw conclusions and to make inferences that are based on the numbers from a research study but that go beyond the numbers. Variable - a condition or characteristic that can have different values, ex. stress level. Value - a number or category of a variable, ex. values from 0-10. Score - the (cid:448)alue of an(cid:455) particular person"s ans(cid:449)er, e(cid:454). score of 6. Equal-interval variable - a variable in which the numbers stand for approximately equal amounts of what is being measured, ex.
