Flashcards
Chapter 1 - Keywords
Flashcards do conjunto (19)
- 1SamplingIs information about a part of the population
- 2CensusInformation about the whole population
- 3Types of samplingStratified, Systematic, Random, Quota, Cluster
- 4StratifiedEach group is represented by a fair proportion of the population
E.G. 10% of population is vegetarian 10% so 10% of the sample will be from the group vegetarians - 5SystematicPick every nth number
E.G. every 40th person in the sample - 6PopulationAnything or anyone that could be involved in a investigation
- 7RandomEvery single thing or person has a chance
- 8Quantitative variablesA numerical observation or measurement
- 9Qualitative variablesare non numerical observations
- 10Continuous dataCan take any variable on a continuous numerical line
- 11Discrete dataData that can be categorized
- 12Sample framelist of people that will be sampled
- 13Bivariate datapairs of related variables
- 14sampling unitsa list of people or items that will be sampled
- 15Primary Dataare collected by or for the person that will be using the data
- 16Secondary datadata collected by some else that will not be using the data
- 17Pilot Surveytested on a small sample to test the design and methods of their survey
- 18open questiona question that does not suggest a answer
- 19closed questionhas a set of answer for a person to choose from