Psychology Chapter 4

This is a statistical term for how likely it is that a result occurred by chance.

Strength of the relationship between two variables

A graph of frequency distribution shaped like a bell-shaped curve

Which allows you to compare one score with other scores in an imaginary group of 100 people

Higher Standard Deviation means

THESE LET US MAKE DECISIONS OR REACH CONCLUSIONS ABOUT DATA

the middle score

The arithmetic average, obtained by adding up all scores and dividing by the number of scores in a distribution.

List of scores ordered from highest to lowest

Measure of how much scores vary around the mean score.

difference between the highest and the lowest

“Most frequently occurring scores in a distribution.”

distorted, not evenly distributed around the mean

A comparative statistic that compares a score to a perfect score of 100 points.