Stats 201 Exam 1 utk (Chapters 1-8)
Exam Questions With Correct Answers
categorial variable - CORRECT ANSWER✔✔-any variable that can put in
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to groups. Examples include gender, class in school and color
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quantative variable - CORRECT ANSWER✔✔-actual real numbers. This
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means if it is 2 it actually means 2 something. Examples include age,
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weight, and GPA. | |
identifier variable - CORRECT ANSWER✔✔-records a unique value for
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each case, used to name or identify it
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bar chart - CORRECT ANSWER✔✔-A categorical univariate display of
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data that puts the counts in to bins that look like bars. The bars have no
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order and can be ordered any way we want.
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mosaic plot - CORRECT ANSWER✔✔-A bivariate categorical display that
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allows us to analysis an association between two variables.
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pie chart - CORRECT ANSWER✔✔-a chart that shows the relationship of
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a part to a whole for categorial data
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, Histogram - CORRECT ANSWER✔✔-A graph of vertical bars representing
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the frequency distribution of a set of data. Used for quantitative data
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stem and leaf plot - CORRECT ANSWER✔✔-A method of graphing a
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collection of numbers by placing the "stem" digits (or initial digits) in
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one column and the "leaf" digits (or remaining digits) out to the right.
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Used for quantitive data
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segmented bar graph - CORRECT ANSWER✔✔-Used to compare the
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distribution of a categorical variable in each of several groups.
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side-by-side boxplots - CORRECT ANSWER✔✔-can be used to compare
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the distributions of two data sets. 1 categorial, 1 quantative
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Scatterplot - CORRECT ANSWER✔✔-a graphed cluster of dots, each of
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which represents the values of two quantitative variables
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contigency table - CORRECT ANSWER✔✔-a method of presenting the
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relationship between two categorical variables in the form of a table
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Dot Plot - CORRECT ANSWER✔✔-a graphical device that summarizes
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data by the number of dots above each data value on the horizontal
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axis. Quantative and categorial
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Exam Questions With Correct Answers
categorial variable - CORRECT ANSWER✔✔-any variable that can put in
| | | | | | | | | |
to groups. Examples include gender, class in school and color
| | | | | | | | |
quantative variable - CORRECT ANSWER✔✔-actual real numbers. This
| | | | | | | |
means if it is 2 it actually means 2 something. Examples include age,
| | | | | | | | | | | | |
weight, and GPA. | |
identifier variable - CORRECT ANSWER✔✔-records a unique value for
| | | | | | | | |
each case, used to name or identify it
| | | | | | |
bar chart - CORRECT ANSWER✔✔-A categorical univariate display of
| | | | | | | | |
data that puts the counts in to bins that look like bars. The bars have no
| | | | | | | | | | | | | | | |
order and can be ordered any way we want.
| | | | | | | |
mosaic plot - CORRECT ANSWER✔✔-A bivariate categorical display that
| | | | | | | | |
allows us to analysis an association between two variables.
| | | | | | | |
pie chart - CORRECT ANSWER✔✔-a chart that shows the relationship of
| | | | | | | | | | |
a part to a whole for categorial data
| | | | | | |
, Histogram - CORRECT ANSWER✔✔-A graph of vertical bars representing
| | | | | | | |
the frequency distribution of a set of data. Used for quantitative data
| | | | | | | | | | | |
stem and leaf plot - CORRECT ANSWER✔✔-A method of graphing a
| | | | | | | | | | |
collection of numbers by placing the "stem" digits (or initial digits) in
| | | | | | | | | | | |
one column and the "leaf" digits (or remaining digits) out to the right.
| | | | | | | | | | | | |
Used for quantitive data
| | |
segmented bar graph - CORRECT ANSWER✔✔-Used to compare the
| | | | | | | | |
distribution of a categorical variable in each of several groups.
| | | | | | | | |
side-by-side boxplots - CORRECT ANSWER✔✔-can be used to compare
| | | | | | | | |
the distributions of two data sets. 1 categorial, 1 quantative
| | | | | | | | |
Scatterplot - CORRECT ANSWER✔✔-a graphed cluster of dots, each of
| | | | | | | | | |
which represents the values of two quantitative variables
| | | | | | |
contigency table - CORRECT ANSWER✔✔-a method of presenting the
| | | | | | | | |
relationship between two categorical variables in the form of a table
| | | | | | | | | |
Dot Plot - CORRECT ANSWER✔✔-a graphical device that summarizes
| | | | | | | | |
data by the number of dots above each data value on the horizontal
| | | | | | | | | | | | |
axis. Quantative and categorial
| | |