Chapter 5 Standard Deviation as a Ruler and Normal Models
What is variability in data? Measuring how much the group as a whole deviates from the center. Gives you an indication of what is the spread of the data.
Testing seasonal adjustment with Demetra+
Graphical Descriptive Techniques
Histograms Kevin Zhou, Joshua Zhong, and Daniel Falvo.
Normal Distribution. Intuition The sum of two dice The sum of two dice = 7 The total number of possibilities is : 6x6=36.
Chapter 2 Examining Relationships. Response variable measures outcome of a study (dependent variable) Explanatory variable explains or influences.
Chapter 2 Examining Relationships
Displaying & Describing Categorical Data