Flashcards
Ch. 1 Vocab
Cards in this deck (13)
- 1descriptive statisticssummarizing the set of data that a researcher has collected
- 2inferential statisticsresearch from small groups of people from which inferences are drawn about the larger population
- 3populationthe entire group that is being tested
- 4samplea subgroup of a population
- 5sample statisticsa # that is measured/calculated from a sample
-noted with english letters
-estimates population parameters - 6random sampleeveryone in the population has an equal chance of being selected
- 7sample of conveniencelimit generalizability
- 8nominal scalehave names; all you can do is count them up
-categorical or quantitative
-dogs, cats, birds, fish, political party - 9ordinal scale-differences between adjacent values aren't necessarily equal
-has an order
-class ranking, small/medium/large - 10interval scale-has an order
-intervals between adjacent values are equal
-degrees F or C - 11ratio scale-has an order
-intervals are equal
-involves the most math
-has an absolute zero point (absence of the characteristic)
-weight, height, time - 12continuous-infinite # of values
-between 2 adjacent #s theres infinite values
-time, height - 13discrete-finite
-between 2 adjacent #s no values exist
-number of children
-pages in a book
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- Statistics (Chapter 1 & 2) Flashcards on Ch. 1 Vocab, created by Cristina Villegas on 06/09/2016.
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- Cristina Villegas
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