In an increasingly data-driven world, it is more important than ever for students as well as professionals to better understand basic statistical concepts. 100 Questions (and Answers) About Statistics addresses the essential questions that students ask about statistics in a concise and accessible way. It is perfect for instructors, students, and practitioners as a supplement to more comprehensive materials, or as a desk reference with quick answers to the most frequently asked questions.

# What Is an Example of How the Correlation Coefficient Can Be Used?

### What Is an Example of How the Correlation Coefficient Can Be Used?

Correlations are always used to make judgments about the strength of the relationship between variables. Sometimes they are used descriptively to see only whether variables are related, but they are also used inferentially, to extend a conclusion to a population based on an earlier finding.

One study that shows how correlation coefficients can be used to infer outcomes from a sample to a population was conducted to examine the relationship between collaborative cultures in schools and student achievement. School culture data were collected from the teachers in 81 schools in Indiana using a survey methodology that was based on six factors.

These six factors were then correlated with student achievement to determine whether features ...