Definition:Contingency Table/Marginal Total

Definition

The marginal totals of a contingency table are the totals of each of the rows and columns of that contingency table.

Examples

Arbitrary Example

Consider the contingency table below:

$\begin{array} {r|cc|c}

& \text {Column 1} & \text {Column 2} & \text {Row totals} \\ \hline \text {Row 1} & 10 & 2 & 12 \\ \text {Row 2} & 5 & 8 & 13 \\ \hline \text {Column totals} & 15 & 10 \end{array}$

The marginal totals for the rows are in the column labelled $\text {Row totals}$

The marginal totals for the columns are in the row labelled $\text {Column totals}$.

Also see

• Results about marginal totals can be found here.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): degrees of freedom: 1. (in statistics)
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): degrees of freedom: 1. (in statistics)