Scatter Plot Basics

Front

What is a scatter plot?

Back

A scatter plot is a type of graph that shows the relationship between two numerical variables by displaying data points on a two-dimensional axis.

Tags

CCSS.8.SP.A.1

Front

What does a positive association in a scatter plot indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What does a negative association in a scatter plot indicate?

Back

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

Tags

CCSS.HSF-LE.A.1B

Front

What is a 'Line of Best Fit'?

Back

A 'Line of Best Fit' is a straight line that best represents the data on a scatter plot, showing the trend of the data.

Tags

CCSS.8.SP.A.2

Front

How can you determine if there is no correlation in a scatter plot?

Back

No correlation is indicated when the data points are scattered randomly without any discernible pattern.

Tags

CCSS.HSF-LE.A.1B

Front

What is the purpose of using a trend line in a scatter plot?

Back

A trend line helps to visualize the general direction of the data points and can be used to make predictions.

Front

What does it mean if a scatter plot shows a strong correlation?

Back

A strong correlation means that the data points are closely clustered around the trend line, indicating a reliable relationship between the variables.

Tags

CCSS.HSS.ID.B.5

Front

How can you predict values using a scatter plot?

Back

You can predict values by extending the trend line and finding where it intersects with the value of interest.

Front

What is the significance of outliers in a scatter plot?

Back

Outliers are data points that fall far from the trend line and can indicate anomalies or errors in data collection.

Tags

CCSS.8.SP.A.1

Front

What is the relationship between the number of chapters and total pages in a book as shown in a scatter plot?

Back

Typically, as the number of chapters increases, the total number of pages also increases.