=+five parts: 0 and 1, 2 and 3, 4 and 5, 6 and 7, and 8 and 9.

Then, for example, stem 1 could be repeated as 1. with leaves 0 and 1 1t with leaves 2 and 3 1f with leaves 4 and 5 1s with leaves 6 and 7 If there had been any dropout rates as large as 18 or 19 in the data set, we would also need to include a stem 1* to