can displayed on a graph like a histogram- with the up and down y axis representing frequency, and the side to side x axis showing the value of the scores,
normal distributions on histograms (bars touching meaning continuous data)- when recording the frequency distribution of certain variables (eg IQ, height, weight), the graph forms a naturally occuring symmetrical bell-shaped distribution curve, more participants are in the middle, with few participants on either side, mean median and mode are all at the top with an even distribution on both sides down the middle
