Data Shapes of Distributions Quantitative dealing with #s – Qualitative- dealing with descriptions Univariate one variable; no relationships – Bivariate two variables; relationships; causes – Causal cause/effect relationship – Population Data members of the group –all Sample Data a subset of the group – Graphs Histograms data grouped in intervals – Dot Plots shows all data – Box & Whisker data grouped in quartiles –
Data Quantitative – dealing with #s Qualitative- dealing with descriptions Univariate – one variable; no relationships Bivariate – two variables; relationships; causes Causal – cause/effect relationship Population Data –all members of the group Sample Data – a subset of the group Shapes of Distributions Graphs Histograms – data grouped in intervals Dot Plots – shows all data Box & Whisker – data grouped in quartiles
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