Correlation Test - Part 1

Front

What is a correlation test?

Back

A statistical method used to determine the strength and direction of the relationship between two variables.

Front

What does a correlation coefficient of 0 indicate?

Back

It indicates no correlation between the two variables.

Front

What does a positive correlation mean?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation mean?

Back

As one variable increases, the other variable decreases.

Front

What is the range of correlation coefficients?

Back

The range is from -1 to 1.

Front

What does a correlation coefficient of 1 indicate?

Back

It indicates a perfect positive correlation.

Front

What does a correlation coefficient of -1 indicate?

Back

It indicates a perfect negative correlation.

Front

How can scatterplots be used in correlation tests?

Back

Scatterplots visually represent the relationship between two variables, helping to identify patterns or correlations.

Front

What is the significance of a correlation coefficient close to 0?

Back

It suggests a weak or no linear relationship between the variables.

Front

What is a linear association?

Back

A relationship between two variables that can be represented by a straight line.