TheDISTRIBUTION of data from a RANDOM SAMPLE of the population. When these data are plotted on a graph they show up as a symmetrical BELL-SHAPED CURVE with scores clustered around the average and declining towards either extreme.
TheDISTRIBUTION of data from a RANDOM SAMPLE of the population. When these data are plotted on a graph they show up as a symmetrical BELL-SHAPED CURVE with scores clustered around the average and declining towards either extreme.