Table of content
• BUSINESS STATISTICS
✔ Introduction
✔ Meaning and Definitions of Statistics
✔ Types of Data and Data Sources
✔ Types of Statistics
✔ Scope of Statistics
✔ Importance of Statistics in Business
✔ Limitations of statistics
✔ Summary
• AN OVERVIEW OF CENTRAL TENDENCY
✔ Introduction
✔ Arithmetic Mean
✔ Median
✔ Mode
✔ Relationships of the Mean, Median and Mode
✔ The Best Measure of Central Tendency
✔ Geometric Mean
✔ Harmonic Mean
✔ Quadratic Mean
✔ Summary
• DISPERSION AND SKEWNESS
✔ Introduction
✔ Meaning and Definition of Dispersion
✔ Significance and Properties of Measuring Variation
✔ Measures of Dispersion
✔ Range
✔ Interquartile Range or Quartile Deviation
✔ Mean Deviation
✔ Standard Deviation
✔ Lorenz Curve
✔ Skewness: Meaning and Definitions
✔ Tests of Skewness
✔ Measures of Skewness
✔ Moments
✔ Kurtosis
✔ Summary
• CORRELATION ANALYSIS
✔ Introduction
✔ What is Correlation?
✔ Correlation Analysis
✔ Scatter Diagram
✔ Correlation Graph
✔ Pearson’s Coefficient of Correlation
✔ Spearman’s Rank Correlation
✔ Concurrent Deviation Method
✔ Limitations of Correlation Analysis
• CORRELATION ANALYSIS
✔ Introduction
✔ What is Regression?
✔ Linear Regression
✔ Regression Line of Y on X
✔ Scatter Diagram
✔ Fitting a Straight Line
✔ Predicting an Estimate and its Preciseness
✔ Error of Estimate
✔ Regression Line of X on Y
✔ Properties of Regression Coefficients
✔ Regression Lines and Coefficient of Correlation
✔ Coefficient of Determination
✔ Correlation Analysis Versus Regression Analysis
• INDEX NUMBERS
✔ Introduction
✔ What are Index Numbers?
✔ Uses of Index Numbers
✔ Types of Index Numbers
✔ Simple Index Numbers
✔ Composite Index Numbers
✔ Simple Aggregative Price/Quantity Index
✔ Index of Average of Price/Quantity Relatives
✔ Weighted Aggregative Price/Quantity Index
✔ Index of Weighted Average of Price/Quantity Relatives
✔ Test of Adequacy of Index Numbers
✔ Special Issues in the Construction of Index Numbers
✔ Problems of Constructing Index Numbers
• ANALYSIS OF TIME SERIES
✔ Introduction
✔ Objectives of time series analysis
✔ Components of time series
✔ Time series decomposition models
✔ Measurement of secular trend
✔ Seasonal variations
✔ Measurement of cyclical variations
✔ Measurement of irregular variations
• PROBABILITY THEORY
✔ Introduction
✔ Some Basic Concepts
✔ Approaches to Probability Theory
✔ Probability Rules
✔ Bayes’ Theorem
✔ Some Counting Concepts
• PROBABILITY DISTRIBUTIONS-I
✔ Introduction
✔ Discrete Probability Distribution
✔ Bernoulli Random Variable
✔ The Binomial Distribution
✔ The Poisson Distribution
• PROBABILITY DISTRIBUTIONS-II
✔ Introduction
✔ Continuous Probability Distribution
✔ The Normal Distribution
✔ The Standard Normal Distribution
✔ The Transformation of Normal Random Variables
• Sampling and sampling methods
✔ Census Vs. sampling method
✔ Definitions
✔ Probability samples vs. non-probability samples
✔ Probability sampling methods
✔ Non-probability sampling methods
✔ Determination of sample size
• SAMPLING DISTRIBUTIONS
✔ Introduction
✔ Sampling Distribution of the Mean
✔ Central Limit Theorem
✔ Sampling Distribution of the Proportion
✔ Sampling Distribution of the Difference of Sample Means
✔ Sampling Distribution of the Difference of Sample Proportions
✔ Small Sampling Distributions
✔ Sampling Distribution of the Variance
✔ F Distribution
✔ t-Distribution
• STATISTICAL ESTIMATION
✔ Introduction
✔ Types of Estimates
✔ Criteria of a good estimator
✔ Method of Maximum Likelihood
✔ Point Estimation
✔ Interval Estimation
✔ Sample size Determination
✔ Summary
• TESTING OF HYPOTHESE
✔ Introduction
✔ The Null and the Alternative Hypothesis
✔ Some Basic Concepts
✔ Critical Region in Terms of Test Statistic
✔ General Testing Procedure
✔ Tests of Hypotheses about Population Means
✔ Tests of Hyp