Advertisements
Advertisements
Question
For a distribution, mean = 100, mode = 80 and S.D. = 20. Find Pearsonian coefficient of skewness Skp.
Solution
Given, Mean = 100, Mode = 80, S.D. = 20
Skp = `("Mean"-"Mode")/"S.D."`
= `(100 - 80)/20`
= `20/20`
= 1
∴ Skp = 1
APPEARS IN
RELATED QUESTIONS
For a distribution, mean = 100, mode = 127 and SD = 60. Find the Pearson coefficient of skewness Skp.
The mean and variance of the distribution is 60 and 100 respectively. Find the mode and the median of the distribution if Skp = – 0.3.
Find Skp for the following set of observations.
17, 17, 21, 14, 15, 20, 19, 16, 13, 17, 18
For a distribution, mean = 60, median = 75 and variance = 900. Find Pearsonian coefficient of skewness Skp.
For a frequency distribution, the mean is 200, the coefficient of variation is 8% and Karl Pearsonian’s coefficient of skewness is 0.3. Find the mode and median of the distribution.
Calculate Karl Pearsonian’s coefficient of skewness Skp from the following data:
| Marks above | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
| No. of students | 120 | 115 | 108 | 98 | 85 | 60 | 18 | 5 | 0 |
Find Skp for the following set of observations:
18, 27, 10, 25, 31, 13, 28.
