Flashcards
Exam 1 Definition Notecards
Cards in this deck (17)
- 1In a Data Matrix, Each row is a ___case
- 2In A Data Matrix, Each column is a ___variable
- 3A Variable is quantitative if ___it makes sense to do arithmetic with it
- 4A variable is categorical if ___The possible values belong to categories(or levels)
- 5Two types of Quantitative variables:Continuous and Discrete
- 6Two types of Categorical variablesOrdinal and Regular
- 7A quantitative variable is continuous ifits possible values form an interval of numbers
- 8A quantitative variable is discrete ifits possible numbers are jumps
- 9A categorical variable is ordinal ifits possible values have a natural ordering in the sense of more or less
- 10A categorical variable is regular ifthere is no natural ordering
- 11The population is the set of all thecases
- 12A sample is a subset of thepopulation
- 13A census collects data fromthe entire population
- 14A parameter is a numerical summary of thepopulation
- 15A statistic is a numerical summary of thesample
- 16An Observational Study:collects data from cases without interfering
- 17An experimental study:Assigns treatment to cases and records outcomes
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- Physics 1 Stat 1 Flashcards on Exam 1 Definition Notecards, created by Sam Gerken on 21/08/2024.
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- Sam Gerken · Aug 2024
- Updated
- Aug 21, 2024
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