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data
observations that have been collected (height, age, income,
political affiliation, etc.)
TERM 2
population
DEFINITION 2
a complete collection of all elements to be studied
TERM 3
census
DEFINITION 3
a collection of data from every member of the population
TERM 4
sample
DEFINITION 4
is a subset of the population
TERM 5
different types of data: 1. parameter 2.
statistic
DEFINITION 5
1. a numerical measurement describing some characteristic
of the population 2. a numerical measurement describing
some characteristic of the sample
categorical data
can be divided into groups or categories that are
distinguished by their non-numerical characteristics(favorite
color, political affiliation, major, religion, etc)
TERM 7
quantitative data
DEFINITION 7
consists of numbers representing counts or
measurements(height, weight, income, etc)
TERM 8
discrete data
DEFINITION 8
the number of values is finite
TERM 9
continuous data
DEFINITION 9
the number of values is infinite
TERM 10
four levels of measurement: 1.nominal
2.ordinal 3.interval 4.ratio
DEFINITION 10
1. a scale that measures data in name only(religious affiliation,
political party, style of automobile,etc.) 2. measures by rank order
only other than rough order, no precise measurement is
possible(lower, middle upper class, military rank,etc.) 3. measures
by using equal intervals 4. similar to interval, but here 0
represents a point at which characteristics disappear
