Flashcards
Chapter 1
Cards in this deck (23)
- 1Scatter Plotco variation of two variables
- 2Pie chartproportions
- 3Line charttrends over time
- 4Bar chartcomparisons over different categories
- 5Stem-and-leaf displaydon't lose identity of each observation
- 6Frequency polygonhistogram but the midpoints form a line
- 7Histogramno gaps (continuous data)
- 8Frequency distributiongroups data into mutually exclusive classes, calculated by the '2 to the k' rule
- 9Ratio data (e.g. weight)meaningful zero point and meaningful ratios
- 10Interval data (e.g. degrees celsius)a scale with a known unit of measurement where differences between values have meaning but no meaningful zero point
- 11Ordinal data (e.g. level of education)can be ranked but differences have no meaning
- 12Nominal data (e.g. hair colour)non-numeric, mutually exclusive, exhaustive and cannot be ranked, only counted and classified
- 13Order of the levels of measurementNominal, ordinal, interval, ratio
- 14Discrete vs. continuous dataDiscrete data has gaps between values, continuous data can take any value
- 15Qualitative vs. quantitative dataQualitative data is non-numeric and quantitative data is numeric
- 16Samplepart of the population of interest
- 17Populationcollection of all the possible individuals. objects or measurement of interest
- 18Inferential statisticsmakes inferences about a data set
- 19Descriptive statisticssummarises a data set
- 20A statistica number used to communicate a piece of information
- 21Statisticsanalysis of numerical information
- 22Applied economicsuses statistics to test theories
- 23Theoretical economicsuses mathematical manipulation and logic to formulate theories
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- Flashcards on Chapter 1, created by Hannah Chapman on 26/11/2016.
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- Hannah Chapman
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