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Unit 3: Measures of Dispersion
Unit 3: Measures of Dispersion
Week 8: (25 September to 01 October 2023)
Week 8: (25 September to 01 October 2023)
Lecture 1. Concept, Objects and types of Dispersion with Requirements of a Good Measure of Dispersion.
Lecture 1. Concept, Objects and types of Dispersion with Requirements of a Good Measure of Dispersion.
Here, we will learn the concept of dispersion, objects of dispersion, requirements of a good measure of dispersion and types of measures of dispersion.
Lecture 2. Range : Definition, Merits, Demerits and Illustrative Examples
Lecture 2. Range : Definition, Merits, Demerits and Illustrative Examples
Here, we will learn the definition of range, merits, demerits and uses of range. Also some examples were illustrated to compute range in case of individual data, discrete data and continuous data.
Lecture 3. Quartile deviation (QD): Definition, Merits and Demerits
Lecture 3. Quartile deviation (QD): Definition, Merits and Demerits
Here, we will learn the definition of quartile deviation and coefficient of quartile deviation. Also, we will learn the merits and demerits of quartile deviation.
Lecture 4. Quartile deviation (QD): Illustrative Examples
Lecture 4. Quartile deviation (QD): Illustrative Examples
Here, we will illustrate some examples to compute quartile deviation and coefficient of quartile deviation in case of individual data, discrete data and continuous data.
Week 9: (2 October to 08 October 2022)
Week 9: (2 October to 08 October 2022)
Lecture 1. Standard Deviation (S.D.) and its Coefficient
Lecture 1. Standard Deviation (S.D.) and its Coefficient
Here, we will learn the definition of standard deviation and coefficient of standard deviation. Also, we will learn the merits and demerits of standard deviation.
Lecture 2. Variance and Coefficient of Variation (C.V.)
Lecture 2. Variance and Coefficient of Variation (C.V.)
Here, we will learn definition of variance and coefficient of variation (C.V.).
Lecture 3. Examples on S.D., Variance and C.V. for Individual and Discrete Data
Lecture 3. Examples on S.D., Variance and C.V. for Individual and Discrete Data
Here, we will illustrate some numerical examples to obtain standard deviation, coefficient of standard deviation, variance and C.V. in case of individual data and discrete data.
Lecture 4. Examples on S.D., Variance and C.V. for Continuous Data
Lecture 4. Examples on S.D., Variance and C.V. for Continuous Data
Here, we will illustrate numerical example to obtain standard deviation in case of continuous data.
Lecture 5. Other Examples I
Lecture 5. Other Examples I
Here, we will illustrate some other numerical examples.
Lecture 6. Other Examples II
Lecture 6. Other Examples II
Here, we will illustrate some other numerical examples.
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