Introduction to Statistics and Data Analysis
Descriptive Statistics
Probability Calculus
Inference
Data
setup
Observation ω
Sample \( S = { \omega_1, \omega_2, \ldots, \omega_n } \subseteq \Omega \)
Population \( \Omega \)
variables
statistical variable \(X\)
types
ordinalilty
quantitative
qualitative
has a natural order
no natural ordering
continuity
discrete
continuous
measurable quantity
scales
nominal scale
values cannot be ordered
ordinal scale
values can be ordered
differences between values not meaningful
continuous scale
values can be ordred
differences between values are meaningful