Term:
2 branches
Definition:
descriptive
inferential
Term:
population
Definition:
the total set of objections about which
we want info
Term:
sample
Definition:
a subset or part of a population
Term:
variable
Definition:
a characteristic to be measured for
each object in a population or a
sample
Term:
parameter
Definition:
a measure of some population

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Term:
statistic
Definition:
a measure of some sample
Term:
types of data
Definition:
qualitative
quantitative
Term:
qualitative
Definition:
quality/categories
Term:
twp types of qualitative
Definition:
nominal
ordinal
Term:
nominal
Definition:
non-numeric measurements of
categories with no natural order
males, females
hair color

Term:
Ordinal
Definition:
non-numeric measurements of
categories with natural order
grades
ratings
Term:
quantitative
Definition:
quantity/ numeric
Term:
interval
Definition:
numeric measurements in which a
zero value has no meaning
temp, iq scores,
Term:
Ratio
Definition:
numeric measurements that have a
meaningful zero value
volume, weight, height, elapsed time
Term:
discrete variable
Definition:
a variable that takes a finite or
countable number of values
number of kids in a family

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Term:
continuous

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