Scatter Plots & Two-Way Tables

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 grid.

Front

What does a two-way table display?

Back

A two-way table displays the frequency distribution of two categorical variables, allowing for the analysis of the relationship between them.

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 points.

Front

How do you determine the slope of a line in a scatter plot?

Back

The slope of a line in a scatter plot is determined by the change in the y-values divided by the change in the x-values between two points on the line.

Front

What does a positive relationship in a scatter plot indicate?

Back

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

Front

What does a negative relationship in a scatter plot indicate?

Back

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

Front

What is the purpose of a two-way table?

Back

The purpose of a two-way table is to summarize and analyze the relationship between two categorical variables.

Front

What is the significance of the correlation coefficient?

Back

The correlation coefficient measures the strength and direction of a linear relationship between two variables, ranging from -1 to 1.

Front

How can you interpret the data from a two-way table?

Back

You can interpret the data by analyzing the frequencies and identifying patterns or relationships between the two variables.

Front

What is an example of a categorical variable?

Back

An example of a categorical variable is 'favorite color' or 'type of gaming system owned'.