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Statistics
Statistics for Data Science
1. Foundations of Data and Statistics
2. Descriptive Statistics: Summarizing Data
3. Fundamentals of Probability
4. Probability Distributions
5. Inferential Statistics: From Samples to Populations
6. Hypothesis Testing
7. Regression Analysis for Prediction
8. Advanced and Modern Statistical Methods
Fundamentals of Probability
Core Concepts
Experiments, Events, and Sample Spaces
Random Experiments
Definition and Characteristics
Deterministic vs. Random Outcomes
Sample Spaces
Definition and Notation
Finite vs. Infinite Sample Spaces
Discrete vs. Continuous Sample Spaces
Events
Simple Events
Compound Events
Complementary Events
Mutually Exclusive Events
Event Operations
Union of Events
Intersection of Events
Complement of Events
Difference of Events
Axioms of Probability
Non-negativity Axiom
Probability Range [0,1]
Interpretation of Bounds
Normalization Axiom
Total Probability Equals 1
Sample Space Probability
Additivity Axiom
Mutually Exclusive Events
Countable Additivity
Consequences of Axioms
Complement Rule
Impossible Event Probability
Probability Bounds
Types of Probability
Classical (Theoretical) Probability
Definition and Assumptions
Equally Likely Outcomes
Finite Sample Space
Calculation Methods
Favorable Outcomes / Total Outcomes
Combinatorial Approaches
Examples and Applications
Dice and Coin Problems
Card Drawing Problems
Lottery and Gaming
Empirical (Frequentist) Probability
Relative Frequency Approach
Long-Run Frequency Interpretation
Law of Large Numbers Connection
Calculation Methods
Observed Frequency / Total Trials
Confidence in Estimates
Applications
Historical Data Analysis
Experimental Results
Quality Control
Subjective Probability
Personal Belief and Expert Opinion
Degree of Belief Interpretation
Prior Knowledge Incorporation
Bayesian Perspective
Prior and Posterior Probabilities
Belief Updating
Applications
Risk Assessment
Decision Making Under Uncertainty
Expert Systems
Probability Rules and Operations
Addition Rule
Mutually Exclusive Events
Simple Addition Formula
Disjoint Events
Non-Mutually Exclusive Events
General Addition Rule
Inclusion-Exclusion Principle
Multiple Events
Three or More Events
Venn Diagram Applications
Multiplication Rule
Independent Events
Product Rule for Independence
Joint Probability Calculation
Dependent Events
Conditional Probability Integration
Sequential Event Analysis
Multiple Events
Chain Rule Application
Tree Diagram Methods
Complement Rule
Basic Complement Formula
Applications in Problem Solving
"At Least One" Problems
Conditional Probability
Definition and Calculation
Conditional Probability Formula
Interpretation and Meaning
Restriction of Sample Space
Independence of Events
Definition of Independence
Testing for Independence
Mathematical Conditions
Practical Assessment
Mutual Independence
Pairwise vs. Mutual Independence
Multiple Event Independence
Bayes' Theorem
Formula Derivation
From Conditional Probability
Partition Theorem Connection
Components
Prior Probability
Likelihood
Posterior Probability
Marginal Probability
Applications
Medical Diagnosis
Spam Filtering
Machine Learning
Real-World Examples
False Positive/Negative Rates
Base Rate Fallacy
Diagnostic Testing
Law of Total Probability
Partition of Sample Space
Formula and Application
Connection to Bayes' Theorem
Combinatorics
Fundamental Counting Principle
Multiplication Principle
Sequential Decision Making
Tree Diagram Applications
Permutations
Ordered Arrangements
Definition and Formula
n! Factorial Notation
Permutations of n Objects Taken r at a Time
nPr Formula
Calculation Methods
Permutations with Repetition
Identical Objects
Circular Permutations
Combinations
Unordered Selections
Definition and Formula
nCr Notation
Relationship to Permutations
Division by r! Factor
Order Irrelevance
Combinations with Repetition
Stars and Bars Method
Multiset Combinations
Applications in Probability
Classical Probability Calculations
Sampling Without Replacement
Lottery and Gaming Problems
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2. Descriptive Statistics: Summarizing Data
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4. Probability Distributions