Flashcards
Bathri Lecture 2 Descriptive Stats
Cards in this deck (11)
- 1Descriptive StatsValues that describe the characteristics of a sample or population
- 2Inferential StatsValues that infer results of a sample to the population from which the sample is drawn
- 3Descriptive StatsSummarize describe and characterize sample population
Normal distribution?
Compared to a larger population? - 4Qualitative data and normalityCannot satisfy the assumptions of normality
- 5Measurements of descriptive statsCentral tendency - mean, median, mode
Variability - range, variance, std dev
Skewness
Kurtosis - leptokurtic, platykurtic
Shape - modality, and outliers - 6Qualitative data typesNominal - categories
Ordinal - scales, ranking - 7Quantitative data typesContinuous data
- Interval - defined interval, no true zero - temperature, zero is not absence of temp
- Ratio - data w/ absolute zero - height, weight, BP, blood alc level - 8Bar ChartFrequencies or proportions of categorical data
- 9HistogramFrequencies or proportions of observations in a data set
Interval, continuous or ratio data - 10Box and Whisker PlotUse little space to convey a great deal of info
- 11Scatter PlotsCloser the dots are in a scatter plot to forming a line --> stronger the association
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- MPAS Research Methods I (Final Exam ) Flashcards on Bathri Lecture 2 Descriptive Stats, created by Eric Rogers on 02/12/2018.
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- Eric Rogers
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