In the reaction time data are broken down separately by the number of digits in the comparison stimulus. Create three stem-and-leaf displays, one for each set of data, and place them side-by-side....

In the reaction time data are broken down separately by the number of digits in the comparison stimulus. Create three stem-and-leaf displays, one for each set of data, and place them side-by-side. (Ignore the distinction between positive and negative instances.) What kinds of differences do you see among the reaction times under the three conditions?