Scatter Plots

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 axis.

Tags

CCSS.8.SP.A.1

Front

What does a 'Line of Best Fit' represent in a scatter plot?

Back

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

Tags

CCSS.8.EE.B.5

Front

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

Back

If a scatter plot has no association, it means there is no discernible relationship between the two variables being plotted.

Tags

CCSS.HSS.ID.B.5

Front

What is positive correlation in a scatter plot?

Back

Positive correlation occurs when, as one variable increases, the other variable also increases, resulting in an upward trend in the scatter plot.

Tags

CCSS.HSS.ID.B.5

Front

What is negative correlation in a scatter plot?

Back

Negative correlation occurs when, as one variable increases, the other variable decreases, resulting in a downward trend in the scatter plot.

Tags

CCSS.HSS.ID.B.5

Front

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

Back

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

Tags

CCSS.8.EE.B.5

Front

If the slope of a line is 1/2, what does this indicate?

Back

A slope of 1/2 indicates that for every 2 units increase in the x-value, the y-value increases by 1 unit.

Tags

CCSS.8.EE.B.5

Front

What does it mean if the slope of a line is negative?

Back

A negative slope indicates that as the x-value increases, the y-value decreases, showing an inverse relationship.

Tags

CCSS.8.EE.B.5

Front

What is the purpose of using a scatter plot?

Back

The purpose of using a scatter plot is to visually display the relationship between two variables and to identify any trends or correlations.

Tags

CCSS.8.SP.A.1

Front

How can you identify outliers in a scatter plot?

Back

Outliers in a scatter plot are data points that fall far away from the general trend of the other points, indicating they do not fit the pattern.