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18 Cards in this Set
- Front
- Back
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Summary Table |
Summarises categorical or numerical data: gives the frequency, proportion or percentage of data values in each category or class |
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Bar Chart |
Graphical representation of a summary table for categorical data; the length of the bar represents the proportion, frequency or percentage or data values in a category. |
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Pie Chart |
Graphical representation of a summary table for categorical data, each category represented by a slice of the circle of which the area represents the proportion or percentage share of the category relative to the total of all categories. |
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Frequency Distribution |
Summary table for numerical data; gives the frequency of data values in each class. |
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Class width |
Distance between upper and lower boundaries of a class |
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Range |
Distance measure of variation; difference between maximum and minimum data values. |
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Class Boundaries |
Upper and lower values used to define classes for numerical data. |
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Class mid-point |
Centre of a class; representative value of class. |
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Relative Frequency Distribution |
Summary table for numerical data which gives the relative frequency of data values in each class. |
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Percentage Distribution |
Summary table for numerical data which gives the percentage of data values in each class. |
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Cumulative Percentage Distribution |
Summary table for numerical data; gives the cumulative frequency of each successive class. |
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Histogram |
Graphical representation of a frequency, relative frequency or percentage distribution; the area of each rectangle represents the class frequency, relative frequency or percentage. |
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Percentage Polygon |
Graphical representation of a percentage distribution. |
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Cumulative Percentage Polygon (ogive) |
Graphical representation of a cumulative frequency distribution |
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Contingency Table |
Summary Table for two categorical variables; each cell represents data that satisfy the given values of both variables |
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Side-by-Side Bar Chart |
Graphical representation of a cross-classification table. |
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Scatter Diagram |
Graphical representation of the relationship between two numerical variables; plotted points represent variables and corresponding dependent variable. |
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Chart Junk |
Unnecessary information and detail the reduces the clarity of a graph. |
