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Statistics Basics: Categorical and Quantitative Variables, Parameters, and Frequencies, Quizzes of Statistics

Virginia Polytechnic Institute and State University (Virginia Tech)Statistics

Definitions for key statistics concepts, including categorical and quantitative variables, parameters, coding, frequency, relative frequency, odds, relative risk, and odds ratio.

Typology: Quizzes

2013/2014

Uploaded on 03/02/2014

jedalc17
jedalc17 🇺🇸

6 documents

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TERM 1
Categorical Variable
DEFINITION 1
allows for numeric or non-numeric responses that represent
classes or groups
TERM 2
Quantitative Variable
DEFINITION 2
allows for numeric values that convey relative magnitude
TERM 3
How are statistics described?
DEFINITION 3
Graphical RepresentationStatistical Computations
TERM 4
Parameter
DEFINITION 4
if the data is created from the use of the entire population
TERM 5
Coding
DEFINITION 5
the substitution of numbers with numbers
pf3

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TERM 1

Categorical Variable

DEFINITION 1

allows for numeric or non-numeric responses that represent

classes or groups

TERM 2

Quantitative Variable

DEFINITION 2

allows for numeric values that convey relative magnitude

TERM 3

How are statistics described?

DEFINITION 3

Graphical RepresentationStatistical Computations

TERM 4

Parameter

DEFINITION 4

if the data is created from the use of the entire population

TERM 5

Coding

DEFINITION 5

the substitution of numbers with numbers

TERM 6

Frequency

DEFINITION 6

total count of observations with a particular outcome of inter

TERM 7

P

DEFINITION 7

Relative Frequency is a re-scaled frequency between 0,

where we divide the frequency by the total number of

observations

TERM 8

O

DEFINITION 8

Odds is relative frequency divided by its compliment

TERM 9

W

DEFINITION 9

Relative Risk is the ratio of relative frequencies of two

groups.If the ratio is greater than 1, quotient minus 1.If the

ratio is less than 1, 1 minus quotient.

TERM 10

OR

DEFINITION 10

Odds Ratio is a ratio of the odds between two groups