Use the SUMIF function when you want to:Group of answer choicesDisplay the sum of a range only if the answer is a positive numberCalculate and display the sum of a range only if it meets specific criteriaDisplay the larger of the sums of two rangesFind sum pi

The SUMIF function is used to calculate and display the sum of a range only if it meets specific criteria. This function is very useful in Excel when you want to sum data in a range based on a certain condition.

Here's a step-by-step guide on how to use the SUMIF function:

1. Open your Excel worksheet.
2. Select the cell where you want the result to be displayed.
3. Type "=SUMIF(" without the quotes.
4. Now, you need to define the range that you want to apply the criteria against. Click and drag to select the range of cells.
5. After selecting the range, type a comma.
6. Now, you need to define the criteria. The criteria could be a number, expression, or text that defines which cells will be added. Type your criteria in quotes. For example, if you want to sum all the cells that have a value greater than 10, your criteria would be ">10".
7. Type another comma. Now, you need to define the sum_range. This is the actual cells that will be added. It could be the same as the range or a different one. If you don't specify the sum_range, Excel will use the range of cells you have selected in step 4.
8. Close the bracket and press Enter. Excel will now display the sum of the cells that meet your criteria.

Remember, the SUMIF function is case-insensitive and it does not support wildcards like "?" and "*".