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Chapter One Statistics
Chapter One's key terms
18
Sociology
Undergraduate 2
01/26/2010

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Term

 

 

DATA

Definition

-The information about different variables is referred to as data

-A term that's at the statistical analysis

Term

 

 DATA

DISTRIBUTION

Definition
-Think of a data distribution as a listing of the values or responses associated with a particular variable in a data set
Term

 

DATA

POINT

Definition

-The individual pieces of information are referred to as data points

-But taken together the data points combine to form a data set

 

Term

 

DATA

SET

Definition
-When the data relative to some specific variables are assembled, we refer to the collection or bundle of information as a data set
Term

 

DESPCRIPTIVE

STATISTICS

Definition
-Statistical procedures used to summarize or describe data
Term

 

FREQUENCY

DISTRIBUTION

Definition
-A table or graph that indicated how many times a value or response appears in a data set of values or respones 
Term

 

INFERETIAL

STATISTICS

Definition
-Statistical procedures used to make statements or inferences about a population, based on sample statistics
Term

 

INTERVAL

LEVEL OF MEASUREMENT

Definition
-The key element in this level of measurement is the notion of equal intervals
Term

 

INTERVAL/RATIO

LEVEL OF MEASUREMENT

Definition
-Since there is no practical difference between the interval and ratio levels of measurement when it comes to statistical analysis, the terms are often combined to refer to any scale of measurement that is either interval or ratio
Term

 

NOMINAL

LEVEL OF MEASUREMENT

Definition

-The most fundamental or simplest level

-A system of measurement based on categories that are mutually exclusive and collectively exhaustive

 

Term

 

ORDINAL

LEVEL OF MEASUREMENT

Definition
-An important element appears: the nation of order (greater than and less than)
Term

 

 

PARAMETER

Definition
-A characteristic of a population
Term

 

 

POPULATION

Definition

-All possible cases; sometimes referred to as the universe.

-It is often thought of as the total collection of cases that you're interested in

Term

 

RATIO

LEVEL OF MEASUREMENT

Definition

-Has all the properties of the interval level of measurement, along with one additional feature: The ratio level has a true or known zero point.

-To say that a variable is measured at the ratio level of measurement means that the variable could actually assume a value of 0 and that the value of 0 is in a sense, legitimate 

Term

 

 

SAMPLE

Definition
-A porton of a population
Term

 

 

STATISTIC

Definition
-A characteristic of a sample
Term

 

 

UNIVERSE

Definition

-All possible cases;

-It is offen thought of as the total collection of cases thath you're interested in

Term

 

 

VARIABLE

Definition
-Any thing that can take on defferent quanlities; anything that can vary
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