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20 Cards in this Set
- Front
- Back
A representative or average value that indicates where the middle of the data set is located.
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Center
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A measure of the amount that the data values vary among themselves.
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Variation
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The nature or shape of the distribution of the data(such as bell-shaped, uniform, or skewed).
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Distribution
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Sample values that lie very far away from the vast majority of the other sample values.
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Outliners
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Changing characteristics of the data over time.
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Time
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Lists data values, along with their corresponding frequencies.
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Frequency distribution
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The smallest numbers that can belong to the different classes.
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Lower class limits
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The largest numbers that can belong to the different classes.
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Upper class limits
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The numbers used to separate classes, but without the gaps created by class limits.
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Class boundaries
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The values in the middle of the class.
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Class midpoints
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The difference between two consecutive lower class limits or two consecutive lower class boundaries.
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Class width
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A bar graph in which the horizontal scale represents classes of data values and the vertical scale represents frequencies.
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Histogram
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Uses line segments connected to points located directly above class midpoint values.
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Frequency polygon
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A line graph that depicts cumulative frequencies, just as the cumulative frequency distribution in the preceding lists cumulative frequencies.
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Ogive
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Consists of a graph in which each data value is plotted as a point along a scale of values.
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Dotplot
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Represents data by separating each value into two parts: the stem and the leaf.
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Stemplot(or stem-and-leaf plot)
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A bar graph for qualitative data, with the bars arranging in order according to frequencies.
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Pareto chart
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A graph depicting qualitative data as slices of pie.
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Pie chart
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A plot of paired data with horizontal x-axis and a vertical y-axis.
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Scatterplot(or scatter diagram)
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A graph of time-series data, which are data that have been collected at different points in time.
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Time-series graph
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