Reply To: Methodology Behind Computing 1st and 3rd Quartiles in CODAP September 21, 2023 at 2:43 pm #7855 patkinson@cityneighborshighschool.orgParticipant As a follow up, I wonder if you could recommend a method for having students generate the alternate quartile values, while they are not the percentile values they sometimes are the correct answer for our online problem sets.
