Flashcards
Exam 1 Definition Notecards
Flashcards do conjunto (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
Informações
- Descrição
- Physics 1 Stat 1 FlashCards sobre Exam 1 Definition Notecards, criado por Sam Gerken em 21-08-2024.
- Criado por
- Sam Gerken · ago 2024
- Atualizado
- 21 ago 2024
- Visualizações
- 0
- Avaliação