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Introduction to Statistics

This subject walks you through the most important concepts step by step, starting from the foundations and moving towards practical exam-focused preparation. Use this page as your central place to revise topics, jump into notes, and quickly access practice material when you need it.

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U1

General Topics

topic 1

1 topics

Scope of Statistics

U1

Introduction to Basic Concepts of Statistics

topic 2 to 12

11 topics

Introduction to Basic Concepts of Statistics: Descriptive and Inferential Statistics

Population, Sample, Parameter, and Statistic

Types of Data and Scales of Measurement

Frequency Distribution and Graphical Representation

Bar Chart, Pie Chart, and Histogram

Frequency Polygon, Frequency Curve, and Cumulative Frequency Polygon

Measures of Central Tendency

Absolute and Relative Measures of Dispersion

Moments, Skewness and Kurtosis

Basic Concepts of Probability

U2

Counting Rules

topic 13 to 16

4 topics

Counting Rules: Multiplication Principle, Permutation and Combination

Probability Spaces and Laws of Probability

Conditional Probability and Bayes' Theorem

Discrete and Continuous Random Variables

U3

Probability Distributions

topic 17 to 18

2 topics

Probability Distributions: Binomial, Poisson, and Hypergeometric

Probability Distributions: Uniform, Exponential, and Normal

U4

Overview of Sampling

topic 19 to 24

6 topics

Overview of Sampling: Sample Design and Sampling Frame

Sampling and Non-Sampling Errors

Sampling Distributions for Mean and Proportion

Sampling Distributions for Difference of Means and Difference of Proportions

Overview of Hypothesis Testing

Overview of Regression Analysis

Past Papers

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