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18 terms

Statistics Vocab chp 1

STUDY
PLAY
Descriptive
Describes the facts (data)
Inferential
Uses results from descriptive and generalizes to a larger group (basis for most research)
Population
group of individuals that have at least one characteristic in common
Sample
smaller portion of population
Parameter
characteristic of population
Statistic
characteristic of sample
qualitative
can't add, multiply, divide, or subtract
quantitative continuous
you can measure in OR it falls into an interval
quantitative discreet
you can count it
measurement scales
mutually exlusive
nominal
no order of importance
ordinal
do not know differences
interval
know exact difference, no absolute 0
ratio
have order, know difference, absolute 0
random
equal chance
systematic
every kth one
stratified
take group and break into subgroups
cluster
large area, select one section