Answer: 11
Explanation: The range is the difference between the greatest number in the data set minus the least number in the data set.
In this case, it's 12 - 1 or 11.
to persuade readers of African Americans' wrong treatment Before the Civil War, Frederick Douglass delivered this famous speech.
Also, if you don't mind, may I have your brainliest? Thank you so much, and have a wonderful day.