Exam 1 Study Guide

Front

What acronym can be used to remember the scientific method?

Back

TEARS

Front

What type of transformation involves recentering around 0 or some number?

Back

Linear transformation (Recentered)

Front

In correlation, does lower variability lead to higher correlation?

Back

False

Front

Reliability refers to the ________ with which we measure something.

Back

consistency

Front

What happens if you apply the correction formula to a restricted range?

Back

Correlation goes back up.

Front

What is the scientific method?

Back

A systematic process for experimentation that is used to explore observations and answer questions.

Front

Define linear transformation.

Back

A transformation that maps a vector space to another vector space while preserving the operations of vector addition and scalar multiplication.

Front

What is correlation?

Back

A statistical measure that describes the extent to which two variables change together.

Front

What does it mean if a correlation coefficient is close to 1?

Back

It indicates a strong positive correlation between the two variables.

Front

What does it mean if a correlation coefficient is close to -1?

Back

It indicates a strong negative correlation between the two variables.