Scatter Plot Reviewer

Bivariate data

Some research studies involve two variables. One of these two variables is the independent variable and the other one is the dependent variable. The data collected in this type of study that involves two variables are called _______.

Scatter plots

Diagrams that are used to show the degree and pattern of

relationship between the two sets of data.

Perfect Positive Correlation

Data points form a straight line pointing upward to the right

Perfect Negative Correlation

Data points form a straight line pointing downward to the right

Strong Positive Correlation

Data points are concentrated around a straight line pointing upward to the right

Strong Negative Correlation

Data points are concentrated around a straight line pointing downward to the right

Weak Positive Correlation

Data points are nearly closed around a straight line pointing upward to the right

Weak Negative Correlation

Data points are nearly closed around a straight line pointing downward to the right

No Correlation

A situation in which there is no relationship between two variables; changes in one variable do not affect the other.

Correlation

A statistical measure that expresses the extent to which two variables are linearly related