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DS Midterm Exam
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What are the two
types of statistics
?
1) Descriptive
2) Inferential
What is
Descriptive
Statistics?
Collecting, summarizing, and describing data.
What is
Inferential
statistics?
Drawing conclusions and/or making decisions concerning a population based only on sample data.
What is a
Variable
?
A characteristic of an item or individual.
What are the
two types of variables
?
1) Categorical (qualitative)
2) Numerical (quantitative)
What is a
Categorical
variable?
A variable that has value that can only be placed into categories, such as "yes" and "no".
What is a
Numerical
variable?
A variable that has values that represent quantities.
Author
RissaJ
ID
21563
Card Set
DS Midterm Exam
Description
Midterm STudy
Updated
2010-06-01T13:13:04Z
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