To approximate the width of a class in the creation of a bar chart,we may use this formula: 
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Q1: In order to summarize qualitative data, a
Q2: A bar chart depicts the frequency or
Q5: The percent frequency of a category equals
Q9: Scatterplot is a graphical tool that is
Q10: When constructing a pie chart, only a
Q12: A pie chart is a segmented circle
Q15: An ogive is a graph that plots
Q17: A bar chart may be displayed horizontally.
Q19: A frequency distribution for qualitative data groups
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