This page will provide an introduction to understanding and using library call numbers. Each book in the library has a unique call number. A call number is like an address: it tells us where the book is located in the library.
Definition of Correlation: Correlation is a statistical technique that is used to measure and describe the STRENGTH and DIRECTION of the relationship between two variables. Correlation requires two scores from the SAME individuals.
Cross tabulation is a statistical tool that is used to analyze categorical data. Categorical data is data or variables that are separated into different categories that are mutually exclusive from one another. An example of categorical data is eye color.