Pareto Chart Easy Guide (2012)

A Pareto chart named after Vilfredo Pareto (an Italian Economist) is a bar chart in which all bars are ordered from largest to the smallest along with a line showing the cumulative percentage and count of the bars. The left vertical axis has the frequency of occurrence (number of occurrences), or …

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Cumulative Frequency Distribution and Polygon (2012)

A cumulative frequency distribution (cumulative frequency curve or ogive) and a cumulative frequency polygon require cumulative frequencies. The cumulative frequency is denoted by CF and for a class interval it is obtained by adding the frequency of all the preceding classes including that class. It indicates the total number of …

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Pie Chart | Visual Display of Categorical Data

A pie chart is a way of summarizing a set of categorical data. It is a circle that is divided into segments/sectors. Each segment represents a particular category. The area of each segment is proportional to the number of cases in that category. It is a useful way of displaying …

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Scatter Diagram: Graphical Representation (2012)

A scatterplot (also called a scatter graph or scatter Diagram) is used to observe the strength and direction between two quantitative variables. In statistics, the quantitative variables follow the interval or ratio scale from measurement scales. Scatter Diagram Usually, in a scatter, diagram the independent variable (also called the explanatory, …

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