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Unit 1: Analyzing Data - Coggle Diagram
Unit 1: Analyzing Data
Investigative Question - What are we interested in studying?
Collect Data
Categorical "What group?"
Described and measured by FREQUENCY
Two Categories make a two-way table that gives...
Relative Frequency
Joint 2. Marginal 3. Conditional
Association ?
Displayed using Bar Graphs, Segmented Bar Graphs, Mosaic Plots
Quantitative "How much?"
What does DISTRIBUTION look like?
Raw Data turns into Dot Plots, Stem/Leaf Plot, Histogram
Use CUSS to describe a graph
Center
Unusual Features
Shape
Spread
Statistical Summary
Mean, Median, Range
Standard Deviation
Can data be unusual than other data points?
Z-Scores
Percentiles
Transforming a data set
Standardizing
IQR
Outliers
Making a conclusion
Limitations
Retro or Prosp Study
How do we collect data? (Unit 2)