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## Chapter 6: Basic Statistics (105 videos)

### 6.1: Frequency Distribution

**Construction of Discrete Frequency Table****Construction of Continuous Frequency Table****Problem 1: Construction of Continuous Frequency Table****Concept of Information Handling****Problem 1: Concept of Information Handling****Data, Collection of Data, Presentation of Data****Problem 1: Data, Collection of Data, Presentation of Data****Types of Data****Problem 1: Types of Data****Constant & Variable****Problem 1: Constant & Variable.****Types of Variables****Problem 1: Types of Variables****Ungrouped & Grouped Data****Problem 1: Ungrouped & Grouped Data****Classification & No. of Classes****Constructing Histogram with Unequal Intervals****Problem 1: Classification & No. of Classes****Specification of Classes****Problem 1: Specification of Classes****Class interval & Class Limits****Problem 1: Class interval & Class Limits****Class Mark & Class Boundaries****Problem 1: Class Mark & Class Boundaries****Class Frequency****Problem 1: Class Frequency****Cumulative Frequency****Problem 1: Cumulative Frequency****Constructing Histogram with Equal Intervals****Problem 1: Constructing Histogram with Equal Intervals****Problem:Constructing Histogram with Unequal Intervals****Construction of Frequency Polygon****Problem 1: Construction of Frequency Polygon**

### 6.2: Cumulative Frequency Distribution

**Cumulative Frequency****Problem: Cumulative Frequency****Drawing commulative frequency polygon or Ogive****Problem: Drawing of Cumulative Frequency Polygon**

### 6.3: Measures of Central Tendency

**Measure of Location****Problem 1: Measure of Location****Types of Measures of Central Tendency****Problem 1: Types of Measures of Central Tendency****Problem 2: Types of Measures of Central Tendency****problem 3: Types of Measures of Central Tendency****Arithmetic Mean of Ungrouped Data by Direct Method****Problem 1: Arithmetic Mean of Ungrouped Data by Direct Method****Arithmetic Mean for Grouped Data by Direct Method****Problem 1: A.M for Grouped Data by Direct Method****A.M for Ungrouped Data by Short formula Method****Problem 1: A.M for Ungrouped Data by Short formula Method****A.M for Grouped Data by Short formula Method****Problem 1: A.M for Grouped Data by Short formula Method****A.M for Ungrouped Data by Coding Method****Problem 1: A.M for Ungrouped Data by Coding Method****A.M for Grouped Data by Coding Method****Problem 1: A.M for Grouped Data by Coding Method****Median for Ungrouped Data****Problem 1: Median for Ungrouped Data****Median for Grouped Discrete Data****Problem:Median for Grouped Discrete Data****Median for Grouped Continuous Data****Problem 1: Median for Grouped Continuous Data****Mode for Ungrouped Discrete Data****Problem 1: Mode for Ungrouped Discrete Data****Problem-Mode for Grouped Continuous Data****Geometric Mean of Ungrouped Data****Geometric Mean of Ungrouped Data by Logarithm****Problem: Geometric Mean of Ungrouped Data by Logarithm****Geometric Mean of Grouped Data by Logarithm****Problem: Geometric Mean of Grouped Data by Logarithm****Harmonic Mean for Ungrouped Data****Problem: Harmonic Mean for Ungrouped Data****Harmonic Mean for Grouped Data****Problem: Harmonic Mean for Grouped Data****Properties of Arithmetic Mean****Problem 1: Properties of Arithmetic Mean****Calculation of Weighted Mean****Problem: Calculation of Weighted Mean****Calculation of Moving Mean****Problem: Calculation of Moving Mean****Graphical Location of Median Quartiles & Mod**e

### 6.4: Meassures of Dispersion

**Concept of Dispersion****Problem 1: Concept of Dispersion****Importance & Uses of Measures of Dispersion****Problem 1: Importance & Uses of Measures of Dispersion****Types of Measures of Dispersion****Problem 1: Types of Measures of Dispersion****Problem 2: Types of Measures of Dispersion****Calculation of Range for Raw or Ungrouped Data****Problem 1: Calculation of Range for Raw or Ungrouped Data****Introduction to Variance & S.D****Problem 1: Introduction to Variance & S.D****Calculation of Variance by Direct Method****Problem 1: Calculation of Variance by Direct Method****Calculation of Variance by Proper Mean formula****Problem 1: Calculation of Variance by Proper Mean formula****Calculation of Variance by Short Cut Method****Problem 1: Calculation of Variance by Short Cut Method****Calculation of S.D by Short Cut Method****Problem 1: Calculation of S.D by Short Cut Method****Calculation of S.D by Proper Mean formula****Problem 1: Calculation of S.D by Proper Mean formula****Calculation of S.D by Direct Method****Problem 1: Calculation of S.D by Direct Method****S.D & Variance for A Grouped Data****Problem 1: S.D & Variance for A Grouped Data**