Scatter Plots Formative

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.

Front

What does a positive correlation indicate in a scatter plot?

Back

A positive correlation indicates that as one variable increases, the other variable also increases.

Front

What does a negative correlation indicate in a scatter plot?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

Front

What does no correlation mean in a scatter plot?

Back

No correlation means there is no discernible relationship between the two variables; changes in one do not affect the other.

Front

What is the line of best fit?

Back

The line of best fit is a straight line that best represents the data on a scatter plot, minimizing the distance between the line and all data points.

Front

How do you determine the line of best fit?

Back

The line of best fit can be determined using statistical methods such as least squares regression.

Front

What is the equation of a line in slope-intercept form?

Back

Front

What does the slope of a line represent in a scatter plot?

Back

The slope of a line represents the rate of change between the two variables; it indicates how much one variable changes for a unit change in the other.

Front

What is the y-intercept in a scatter plot?

Back

Front

How can you make predictions using a scatter plot?

Back

You can make predictions by using the line of best fit to estimate the value of one variable based on the value of the other.