Scatter Plots

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 two-dimensional axis.

Front

What does a positive correlation in a scatter plot indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also tends to increase.

Front

What does a negative correlation in a scatter plot indicate?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What does 'no association' mean in the context of scatter plots?

Back

'No association' means that there is no discernible relationship between the two variables being plotted.

Front

What is an outlier in a scatter plot?

Back

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

Front

How can you identify a positive linear association in a scatter plot?

Back

A positive linear association can be identified by a pattern where points slope upwards from left to right.

Front

How can you identify a negative linear association in a scatter plot?

Back

A negative linear association can be identified by a pattern where points slope downwards from left to right.

Front

What is a nonlinear association in a scatter plot?

Back

A nonlinear association occurs when the relationship between the variables cannot be accurately represented by a straight line.

Front

What does the slope of a line of best fit represent in a scatter plot?

Back

The slope of the line of best fit represents the rate of change between the two variables.

Front

What is the purpose of a line of best fit in a scatter plot?

Back

The line of best fit is used to summarize the relationship between the variables and make predictions.