The coefficient of variation of the height of20 people selected at random from a givencity is found to be 15%. The weight of theselected group has a mean value 72 kg and astandard deviation 8 kg. The coefficient ofvariation for the weight of the selected groupis what The coefficient of variation of the height of20 people selected at random from a givencity is found to be 15%. The weight of theselected group has a mean value 72 kg and astandard deviation 8 kg. The coefficient ofvariation for the weight of the selected groupis*11.11%O 8.33%O 1.11%O 83.33%

Mean weight, µ = 72 kg standard deviation of weight, σ = 8 kg We know coefficient of variation is…

Answered: The coefficient of variation of the…

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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The coefficient of variation of the height of
20 people selected at random from a given
city is found to be 15%. The weight of the
selected group has a mean value 72 kg and a
standard deviation 8 kg. The coefficient of
variation for the weight of the selected group
is what

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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