Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a graphical representation of two variables where each point represents an observation in the dataset, showing the relationship between the variables.

Tags

CCSS.8.SP.A.1

Front

What does a positive slope indicate in a scatter plot?

Back

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

Tags

CCSS.8.EE.B.5

Front

What does a negative slope indicate in a scatter plot?

Back

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

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does it mean if a scatter plot shows no association?

Back

No association means that there is no discernible relationship between the two variables; changes in one variable do not predict changes in the other.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a positive association in a scatter plot?

Back

A positive association can be identified when the points on the scatter plot trend upwards from left to right.

Tags

CCSS.HSF-LE.A.1B

Front

How can you identify a negative association in a scatter plot?

Back

A negative association can be identified when the points on the scatter plot trend downwards from left to right.

Tags

CCSS.HSF-LE.A.1B

Front

What is the significance of the slope in a linear regression model?

Back

The slope in a linear regression model indicates the rate of change of the dependent variable for each unit change in the independent variable.

Tags

CCSS.8.EE.B.5

Front

What does a slope of zero indicate in a scatter plot?

Back

A slope of zero indicates that there is no change in the dependent variable as the independent variable changes, suggesting no association.

Tags

CCSS.8.EE.B.5

Front

What is the purpose of using scatter plots in data analysis?

Back

Scatter plots are used to visually assess the relationship between two quantitative variables, helping to identify trends, correlations, and potential outliers.

Tags

CCSS.8.SP.A.1

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that lies significantly outside the general pattern of the other points in the scatter plot, which may indicate variability or an error in data.

Tags

CCSS.8.SP.A.1