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.

Front

What does a positive correlation in a scatter plot indicate?

Back

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

Front

What does a negative correlation in a scatter plot indicate?

Back

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

Front

What does no correlation mean in a scatter plot?

Back

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

Front

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

Back

A negative association is identified when the data points slope downwards from left to right.

Front

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

Back

A positive association is identified when the data points slope upwards from left to right.

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually represent the relationship between two variables and to identify trends, correlations, or patterns.

Front

If a scatter plot shows a cluster of points, what does that indicate?

Back

A cluster of points indicates that there is a strong relationship or correlation between the two variables.

Front

What is the significance of outliers in a scatter plot?

Back

Outliers are data points that fall far from the trend of the rest of the data; they can indicate anomalies or errors in data collection.

Front

How do you interpret the slope of the line of best fit in a scatter plot?

Back

The slope of the line of best fit indicates the direction and strength of the relationship between the two variables.