Answer:
Pareto chart
Step-by-step explanation:
A Pareto chart is used to represent a frequency distribution for a categorical variable, and the frequencies are displayed by vertical bars which are arranged from highest to lowest.
A histogram is used to represent frequency of classes.
A stem-and-leaf plot is used to form groups or classes.
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Answer:
A. bar graphs
C. pie charts or circle graphs
Step-by-step explanation: