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 linear relationship in a scatter plot indicate?

Back

A linear relationship indicates that as one variable increases or decreases, the other variable does so in a consistent manner, forming a straight line when graphed.

Front

What is correlation in the context of scatter plots?

Back

Correlation refers to the strength and direction of a relationship between two variables, which can be positive, negative, or nonexistent.

Front

What does a positive correlation look like in a scatter plot?

Back

In a positive correlation, as one variable increases, the other variable also increases, resulting in a pattern that slopes upwards from left to right.

Front

What does a negative correlation look like in a scatter plot?

Back

In a negative correlation, as one variable increases, the other variable decreases, resulting in a pattern that slopes downwards from left to right.

Front

What does no correlation mean in a scatter plot?

Back

No correlation means there is no discernible relationship between the two variables, and the data points are scattered randomly.

Front

What is the x-axis in a scatter plot?

Back

The x-axis is the horizontal axis that typically represents the independent variable in a scatter plot.

Front

What is the y-axis in a scatter plot?

Back

The y-axis is the vertical axis that typically represents the dependent variable in a scatter plot.

Front

How can a trend line be used in a scatter plot?

Back

A trend line can be used to summarize the relationship between the variables and to make predictions about future data points.

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually represent the relationship between two variables, helping to identify patterns, trends, and correlations.