Page 1 MEASURES OF SKEWNESS AND INTERPRETATION PGDM@IAMEE www.iamee.in Page 2 MEASURES OF SKEWNESS AND INTERPRETATION PGDM@IAMEE www.iamee.in OVERVIEW 1. What is meant by Skewness. 2. What are the different types of Skewness Distributions. 3. Skewness Distributions in graphical representation. 4. Calculation of Skewness Coefficient in different (two types) methods. PGDM@IAMEE www.iamee.in Page 3 MEASURES OF SKEWNESS AND INTERPRETATION PGDM@IAMEE www.iamee.in OVERVIEW 1. What is meant by Skewness. 2. What are the different types of Skewness Distributions. 3. Skewness Distributions in graphical representation. 4. Calculation of Skewness Coefficient in different (two types) methods. PGDM@IAMEE www.iamee.in Measures of Skewness ? The statistical technique to indicate the direction and extent of skewness in the distribution of numerical values in the data set. ? A frequency distribution of the set of values that is not Symmetrical(normal) is called asymmetrical or skewed. PGDM@IAMEE www.iamee.in Page 4 MEASURES OF SKEWNESS AND INTERPRETATION PGDM@IAMEE www.iamee.in OVERVIEW 1. What is meant by Skewness. 2. What are the different types of Skewness Distributions. 3. Skewness Distributions in graphical representation. 4. Calculation of Skewness Coefficient in different (two types) methods. PGDM@IAMEE www.iamee.in Measures of Skewness ? The statistical technique to indicate the direction and extent of skewness in the distribution of numerical values in the data set. ? A frequency distribution of the set of values that is not Symmetrical(normal) is called asymmetrical or skewed. PGDM@IAMEE www.iamee.in Skewed distributions There are three types: ? Symmetrical distribution A.M = Median = Mode ? Positively skewed distribution A.M > Median > Mode ? Negatively skewed distribution. A.M < Median < Mode PGDM@IAMEE www.iamee.in Page 5 MEASURES OF SKEWNESS AND INTERPRETATION PGDM@IAMEE www.iamee.in OVERVIEW 1. What is meant by Skewness. 2. What are the different types of Skewness Distributions. 3. Skewness Distributions in graphical representation. 4. Calculation of Skewness Coefficient in different (two types) methods. PGDM@IAMEE www.iamee.in Measures of Skewness ? The statistical technique to indicate the direction and extent of skewness in the distribution of numerical values in the data set. ? A frequency distribution of the set of values that is not Symmetrical(normal) is called asymmetrical or skewed. PGDM@IAMEE www.iamee.in Skewed distributions There are three types: ? Symmetrical distribution A.M = Median = Mode ? Positively skewed distribution A.M > Median > Mode ? Negatively skewed distribution. A.M < Median < Mode PGDM@IAMEE www.iamee.in Skewed distribution Curves PGDM@IAMEE www.iamee.inRead More

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