Scatter Plots - Interpreting and Correlation

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 does it mean if a scatter plot shows a positive correlation?

Back

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

Front

What does it mean if a scatter plot shows a negative correlation?

Back

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

Front

What does it indicate if a scatter plot shows no correlation?

Back

No correlation indicates that there is no apparent relationship between the two variables being plotted.

Front

How can you determine the approximate value of a variable from a scatter plot?

Back

You can determine the approximate value by locating the corresponding point on the scatter plot and reading the value from the axis.

Front

What is the purpose of using a scatter plot in data analysis?

Back

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

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 interpretation of the data.

Front

How do you interpret the slope of the 'Line of Best Fit'?

Back

The slope indicates the rate of change between the two variables; a steeper slope means a stronger relationship.

Front

What is the role of the x-axis and y-axis in a scatter plot?

Back

The x-axis typically represents the independent variable, while the y-axis represents the dependent variable.