© 2007 Pearson Education
Checklist: A form used to record the frequency of occurrence of certain service or product characteristics related to performance.
Histogram: A summarization of data measured on a continuous scale, showing the frequency distribution of some quality characteristic (the central tendency and dispersion of the data).
Bar chart: A series of bars representing the frequency of occurrence of data characteristics measured on a yes-or-no basis.
Pareto Chart: A bar chart on which factors are plotted in decreasing order of frequency along the horizontal axis.