Frequency Distributions  
Summary 
the frequency is the number of times each score, event or measurement occurs. a frequency distribution is shown in a table in which information or data is arranged in order. from the frequency distribution, the average and range can be found, and the data can be shown on graphs such as histograms, frequency curves and cumulative frequency graphs. 
Key Skills 

Vocabulary 
frequency, discrete, continuous, ungrouped data, grouped data, average, median, mode, mean, histogram, frequency curve, stem and leaf diagram, cumulative frequency, spread, range, quartile, box and whisker diagram. 