Data Distribution Investigation 1. 1.1 Variability in Categorical Data 2 Types of Data Categorical...
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Data DistributionInvestigation 1
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1.1 Variability in Categorical Data
2 Types of Data•Categorical (Month Born, Favorite Band)•Numerical (State Populations)
Categorical Data – data that has specific labels or names for categories.
GreenIn 1 bag
TotalM & M’s
% Green Decimal %
5 54 554
0.092 9 %
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1.2 Variability in Numerical Counts
Numerical Data – Data that has specific counts or measures.
Trend - To have a general direction or tendency.
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1.3 Variability in Numerical Measurements
Minimum Smallest quantity Maximum Greatest quantityOutlier Unusually high or low data values in a distribution.Clusters Sections of data that are close together.Holes Gaps in data values in a distribution.
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1.4 Two Kinds of Variability
The ordered value bar graph shows the data in order from minimum to maximum values.
The line plots shows the frequency of each measurement.