A table that displays the distribution of one variable is univariate frequency table
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Correct Answer:
True
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A graph displaying changes in a variable at different points in time is time series chart
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Correct Answer:
True
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___ variable whose categories are the rows of a bivariate table
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Correct Answer:
Row
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____ is number obtained by dividing the number of actual occurrences in a given time period by the number of possible occurrences.
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Correct Answer:
Rate
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A relative frequency obtained by dividing the frequency in each category by the total number of cases is called proportion
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Correct Answer:
True
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___ chart is a graph showing the differences in frequencies or percentages among categories of a nominal or an ordinal variable.
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Correct Answer:
Pie
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A table showing the percentage of observations falling into each category of the variable is percentage distribution
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Correct Answer:
True
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Percentage is a relative frequency obtained by dividing the frequency in each category by the total number of cases and multiplying by 100.
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Correct Answer:
True
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The row and column totals in a bivariate table is called
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Correct Answer:
Marginals
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____ chart is a graph showing the differences in frequencies or percentages among categories of an interval-ratio variable.
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Correct Answer:
Line
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A graph showing the differences in frequencies or percentages among categories of an interval-ratio variable is called histogram
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Correct Answer:
True
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Frequency distribution is a table reporting the number of observations falling into each category of the variable.
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Correct Answer:
True
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Cumulative percentage distribution showing the percentage at or below each category (class interval or score) of the variable.
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Correct Answer:
True
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Cumulative frequency distribution showing the frequency at or below each category (class interval or score) of the variable.
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Correct Answer:
True
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Cross tabulation is a technique for analyzing the relationship between two variables that have been organized in a table.
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Correct Answer:
True
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Column variable is whose categories are the columns of a bivariate table.
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Correct Answer:
True
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The intersection of a row and a column in a bivariate table is called
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Correct Answer:
Cell
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Bivariate table that displays the distribution of one variable across the categories of another variable.
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Correct Answer:
True
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A statistical method designed to detect and describe the relationship between two variables is bivariate analysis
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Correct Answer:
True
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___ graph showing the differences in frequencies or percentages among categories of a nominal or an ordinal variable
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Correct Answer:
Bar
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Which graphic is LEAST suitable for making comparisons among groups?
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Correct Answer:
Pie chart
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In a time series chart, which variable of interest is usually placed along the horizontal axis?
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Correct Answer:
Time
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A histogram is used to show ______.
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Correct Answer:
The differences in frequencies or percentages among categories of an interval–ratio or ordinal variable
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It would be most appropriate to graph a nominal variable using a ______.
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Correct Answer:
Bar graph
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A pie chart would be LEAST appropriate for graphically displaying which type of variable?
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Correct Answer:
An ungrouped interval/ratio variable
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Changes in a variable at different points in time are graphically displayed using a ______.
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Correct Answer:
Time-series chart
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Why is it useful to provide graphic presentations of data?
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Correct Answer:
Information presented graphically can make the information more accessible.
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A hypothetical sample contains information on 100 persons. Exactly 75 of these persons are White, while the remaining 25 are non-White. What proportion of the sample is non-White?
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Correct Answer:
0.25
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Theoretically, a frequency can range from ______.
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Correct Answer:
0 to infinity
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The first step in the statistical analysis of data involves ______.
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Correct Answer:
Constructing a frequency distribution
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A proportion is calculated as the ______.
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Correct Answer:
Frequency of observations, F, for a single category for a variable of interest divided by the total number of observations, N
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A distribution showing the percentage at or below each category for a variable of interest is referred to as a ______ distribution.
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Correct Answer:
Cumulative percentage
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A distribution for a social class variable utilizes the following categories: lower class, working class, middle class, and upper class. What is the level of measurement for this variable?
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Correct Answer:
Ordinal
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In constructing a rate you ______.
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Correct Answer:
Divide the number of actual occurrences in a given time period by the number of possible occurrences
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A hypothetical sample contains information on 100 persons. Exactly 75 of these persons are White, while the remaining 25 are non-White. What proportion of the sample is White?
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Correct Answer:
0.75
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