A **trimmed mean** is the mean of a dataset that has been calculated after removing a specific percentage of the smallest and largest values from the dataset.

To find the trimmed mean of a dataset, simply enter a list of the comma-separated values for the dataset along with the percentage of values to trim, then click the “Calculate” button:

**Dataset values:**

**Trimmed Mean Percentage (%):**

**Trimmed Mean: 27.0833**