Yes if your do not have prior understanding of the basics you may find it very difficult

potential of understanding of knowledge that DOES NOT involve your prior knowledge scaled with a number. the average IQ is 100.

Activating prior knowledge involves recalling and using existing information, experiences, or understanding to make connections with new information. It helps individuals make sense of new concepts, deepen their understanding, and enhance learning by building on what they already know.

Prerequisite It is helpful to have an understanding of the mean, median and the mode prior to beginning work with Stem and Leaf Plots.

Ummm....wat?