Scatter Plots Review

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 '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.

Front

What are the types of correlation in scatter plots?

Back

The types of correlation are positive correlation, negative correlation, and no correlation.

Front

What does a positive correlation indicate?

Back

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

Front

What does a negative correlation indicate?

Back

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

Front

What does 'no association' mean in the context of scatter plots?

Back

'No association' means there is no discernible relationship between the two variables being plotted.

Front

How can you estimate a value using a scatter plot?

Back

You can estimate a value by locating the corresponding point on the scatter plot or by using the trend line to predict the value.

Front

What is the purpose of a trend line in a scatter plot?

Back

A trend line helps to visualize the general direction of the data points and can be used for making predictions.

Front

If a scatter plot shows a downward trend, what type of correlation does it have?

Back

A downward trend in a scatter plot indicates a negative correlation.

Front

What is the significance of outliers in a scatter plot?

Back

Outliers are data points that differ significantly from other observations and can affect the overall trend and correlation.