(24-6. Comment briefly on the following statements: (1) A computer obtained the standard deviation of 20 observations whose values ranged from 65 to 85 as 25. (11) A student obtained the mean and variance of a set of 10 observations as 10,-5 respectively. (m) The range is the perfect measure of variability as it includes all the measurements. (v) For the distr.bution of 5 observations : 8. 8. 8. 8. 8 ; mean = 8 and variance = 8. (v) If the mean and s.d. of distribution A are smaller than the mean and s.d. of distribution B respectively, then the distribution A is more uniform (less variable) than the distribution B. vatirs
(24-6. Comment briefly on the following statements: (1) A computer obtained the standard deviation of 20 observations whose values ranged from 65 to 85 as 25. (11) A student obtained the mean and variance of a set of 10 observations as 10,-5 respectively. (m) The range is the perfect measure of variability as it includes all the measurements. (v) For the distr.bution of 5 observations : 8. 8. 8. 8. 8 ; mean = 8 and variance = 8. (v) If the mean and s.d. of distribution A are smaller than the mean and s.d. of distribution B respectively, then the distribution A is more uniform (less variable) than the distribution B. vatirs
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:(24-6. Comment briefly on the following statements:
(1) A computer obtained the standard deviation of 20 observations whose values ranged from 65 to
85 as 25.
(11) A student obtained the mean and variance of a set of 10 observations as 10,-5 respectively.
(111) The range is the perfect measure of variability as it includes all the measurements.
(iv) For the distr bution of 5 observations : 8, 8, 8, 8, 8 ; mean = 8 and variance = 8.
(v) If the mean and s.d. of distribution A are smaller than the mean and s.d. of distribution B
respectively, then the distribution A is more uniform (less variable) than the distribution B.
yatir
ime a
re.
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