Elemental Stat Chap 1

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Chapter 1

Parameter=value of population;statistic=value of sample

Qualitative=Characteristic;Quantitive=# measure
discrete=countable;continuous=measure between values 2.5
Nominal=name;ordinal=nameranked 1st place;interval=order+even intervals 0 no meaning; Ratio=0 means something
Observation=doesn't mess with;experiment=messed with
cohort=small group over time;cross sectional=group at a certain time;case control=retrospective;response variable=variable to be measured in study; explanatory=effect on the response variable


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