Scatterplots

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 plane.

Tags

CCSS.8.SP.A.1

Front

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

Back

The line of best fit is a straight line that best represents the data on a scatterplot, indicating the general direction of the relationship between the variables.

Tags

CCSS.8.SP.A.2

Front

What is correlation in the context of scatterplots?

Back

Correlation refers to the strength and direction of a relationship between two variables, which can be positive, negative, or no correlation.

Tags

CCSS.HSS.ID.B.5

Front

What does a positive correlation look like on a scatterplot?

Back

A positive correlation is indicated by data points that slope upwards from left to right, meaning as one variable increases, the other variable also increases.

Tags

CCSS.HSS.ID.B.5

Front

What does a negative correlation look like on a scatterplot?

Back

A negative correlation is indicated by data points that slope downwards from left to right, meaning as one variable increases, the other variable decreases.

Tags

CCSS.HSS.ID.B.5

Front

What does no correlation mean in a scatterplot?

Back

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

Tags

CCSS.HSF-LE.A.1B

Front

How can you estimate a value using a scatterplot?

Back

You can estimate a value by locating the corresponding point on the line of best fit for a given input value.

Front

What is the purpose of using a scatterplot?

Back

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

Tags

CCSS.8.SP.A.1

Front

What is an example of a situation where a scatterplot might be used?

Back

A scatterplot might be used to analyze the relationship between hours studied and test scores among students.

Front

What is the significance of the slope of the line of best fit?

Back

The slope of the line of best fit indicates the rate of change between the two variables; a steeper slope means a stronger relationship.

Tags

CCSS.8.EE.B.5