Scatterplots and Two-Way Tables Review

Front

What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional grid.

Tags

CCSS.8.SP.A.1

Front

What does a line of best fit represent in a scatterplot?

Back

A line of best fit is a straight line that best represents the data on a scatterplot, used to make predictions about future data points.

Tags

CCSS.8.EE.B.5

Front

What is a two-way table?

Back

A two-way table is a data display that organizes data based on two categorical variables, allowing for comparison of the frequencies of different combinations.

Tags

CCSS.8.SP.A.4

Front

How do you determine the number of data points in a specific category from a two-way table?

Back

To determine the number of data points in a specific category, sum the values in the corresponding row or column of the two-way table.

Tags

CCSS.8.SP.A.4

Front

What does it mean if a scatterplot shows a positive association?

Back

A positive association in a scatterplot means that as one variable increases, the other variable also tends to increase.

Tags

CCSS.HSS.ID.B.5

Front

What does it mean if a scatterplot shows a negative association?

Back

A negative association in a scatterplot means that as one variable increases, the other variable tends to decrease.

Tags

CCSS.HSS.ID.B.5

Front

What is no association in a scatterplot?

Back

No association means that there is no discernible relationship between the two variables; the data points are scattered randomly.

Tags

CCSS.HSS.ID.B.5

Front

What is a nonlinear association?

Back

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

Tags

CCSS.8.F.A.3

Front

How can you identify outliers in a scatterplot?

Back

Outliers are data points that fall far away from the general trend of the other points in the scatterplot.

Tags

CCSS.8.SP.A.1

Front

What is the purpose of using a scatterplot?

Back

The purpose of using a scatterplot is to visually assess the relationship between two quantitative variables and identify patterns or trends.

Tags

CCSS.8.SP.A.1