# Data Columns Summary for Total Column

Summary Column controls the total summary statistics that summarize two or more data columns.

Available total summary statistics are sum of columns, mean of columns, minimum, maximum, difference between values in two columns, quotient of values in one column divided by values in another column, and product of columns values multiplied together.

**Sum of columns.** The *total* column is the sum of the columns in
the Summary Column list.

**Mean of columns.** The *total* column is the average
of the columns in the Summary Column list.

**Minimum of columns.** The *total* column is the minimum
of the columns in the Summary Column list.

**Maximum of columns.** The *total* column is the maximum
of the columns in the Summary Column list.

**1st column –
2nd column.** The *total* column is the difference of the columns in the Summary Column list.
The Summary Column list must contain exactly two columns.

**1st column / 2nd
column.** The *total* column
is the quotient of the columns in the Summary Column list. The Summary
Column list must contain exactly two columns.

**% 1st column /
2nd column.** The *total* column is the first column's percentage of the second column in
the Summary Column list. The Summary Column list must contain exactly
two columns.

**Product of columns.** The *total* column is the product
of the columns in the Summary Column list.