Bivariate Data Review

Front

What is bivariate data?

Back

Bivariate data involves two variables and is used to determine the relationship between them.

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a Cartesian plane.

Front

What does positive correlation mean?

Back

Positive correlation means that as one variable increases, the other variable also increases.

Front

What does negative correlation mean?

Back

Negative correlation means that as one variable increases, the other variable decreases.

Front

What does no correlation mean?

Back

No correlation means that there is no discernible relationship between the two variables.

Front

What is the line of best fit?

Back

The line of best fit is a straight line that best represents the data on a scatter plot, showing the trend of the data.

Front

How do you identify an outlier in a scatter plot?

Back

An outlier is a data point that is significantly different from the other points in the dataset, often appearing far away from the trend.

Front

What is the equation of a line in slope-intercept form?

Back

Front

What is the slope of a line?

Back

The slope of a line measures the steepness and direction of the line, calculated as the change in y over the change in x.

Front

What is the y-intercept?

Back

The y-intercept is the point where the line crosses the y-axis, indicating the value of y when x is zero.