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BA STAT > stat > Flashcards

stat Flashcards

1
Q

a ubiquitous tool used in
business for basic data visualization. Makes it easy
for anyone to create standard examples of data
visualization.

A

Microsoft Excel

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2
Q

one of the most helpful idea for
creating effective tables and charts for data visualization

  • First described by Edward R. Tufte in 2001 in his book The Visual Display of Quantitative Information
A

Data-Ink Ratio

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3
Q

the ink used in a table or chart that is
necessary to convey the meaning of the data to the
audience.

A

Data-ink

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4
Q

ink used in a table or chart that
serves no useful purpose in conveying the data to audience.

A

Non-data-ink

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5
Q

known as a crosstabulation in
Microsoft Excel

A

PivotTable

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6
Q

– Excel pairs with PivotTables to
summarize and analyse data with both
crosstabulation and charting.

A

PivotCharts

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7
Q

is a clustered-column chart whose
column heights correspond to the average wait times
and are clustered into the categorical groupings of
Good, Very Good, and Excellent.

A

PivotChart

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8
Q

Type of helpful chart for examining data with more than 2 variables.

  • Includes a different vertical axis for eachvariable.
A

Parallel-coordinate plot

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9
Q

represents the value taken by that observation for variable corresponding to the vertical axis.

A

The height of the line on each vertical axis

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10
Q

useful for visualizing hierarchical data
along multiple dimensions

A

Treemap

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11
Q

Which merges maps and statistics to present data collected over different geographic areas. Displaying geographic data on a mapcan often help in interpreting data andobserving patterns

A

Geographic Information Systems (GIS)

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12
Q

allows the user to create interactive GIS-
type charts. This tool is quite powerful, and the ful lcapabilities are beyond the scope of this versions
text

A

3D Map

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13
Q

A graphical presentation that uses
horizontal bars to display the magnitude ofquantitative data. Each bar typically represents a class of a categorical variable.

A

Bar Chart

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14
Q

A graphical presentation used to
visualize three variables in a two-dimensional graph. The two axes represent two variables, and themagnitude of the third variable is given by the size of
the bubble.

A

Bubble Chart

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15
Q

A visual method for displaying data; also
called a graph or a figure.

A

Chart

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16
Q

special type of column (bar) chart in which multiple bars are clustered in the same class to compare multiple variables; also known as a side-by-side- column (bar) chart.

A

Clustered-column (or clustered-bar) chart

17
Q

A graphical presentation that uses
vertical bars to display the magnitude of quantitative data. Each bar typically represents a class of a
categorical variable.

A

Column Chart

18
Q

A tabular summary of data for
two variables. The classes of one variable are represented by the rows; the classes for the other variable are represented by the columns.

A

crosstabulation

19
Q

A data-visualization tool that
updates in real time and gives multiple output

A

Data dashboard

20
Q
  • A system that merges maps and statistics to present data collected over different geographies.
A

Geographic information system (GIS)

21
Q
  • A two-dimensional graphical
    presentation of data in which color shadings indicate magnitudes.
A

Heat Map

22
Q
  • A metric that is crucial for understanding the current performance of an organization; also known as a key performance
    metric (KPM).
A

Key performance indicator (KPI)

23
Q

A graphical presentation of time series
data in which the data points are connected by a line.

A

Line Chart

24
Q

A graphical presentation used to
compare categorical data. Because of difficulties in comparing relative areas on a pie chart, these charts are not recommended. Bar or column charts are generally superior to pie charts for comparing categorical data.

A

Pie Chart

25
Q
  • A graphical presentation of the
    relationship between two quantitative variables. One variable is shown on the horizontal axis and the other on the vertical axis
A

Scatter Chart

26
Q
  • A graphical presentation that
    uses multiple scatter charts arranged as a matrix to illustrate the relationships among multiple variables.
A

Scatter-chart matrix

27
Q

A special type of line chart that indicates
the trend of data but not magnitude. does not include axes or labels.

A

Sparkline

28
Q

A special type of column
(bar) chart in which multiple variables appear on the
same bar.

A

Stacked-column Chart

29
Q

A line that provides an approximation of
the relationship between variables in a chart.

A

Trendline

BA STAT (1 decks)

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