WebCalculate coefficient of variation of the following series: S. No 1 2 3 4 5 6 7 8 9 10 Frequency 53 58 25 30 54 42 32 48 46 52 Solution WebThe coefficient of variation of two distributions are 60 and 70. The standard deviations are 21 and 16 respectively, then their mean is A 35 B 23 C 28.25 D 22.85 Solution The correct options are A 35 C 28.25 D 22.85 Coefficient of Variation = σ μ×100 σ1 μ1×100= 60⇒ 21 μ1×100= 60⇒μ1 =35 σ2 μ2×100= 70⇒ 16 μ1×100= 70⇒μ2 = 160 7 Suggest …
What is Considered a Good Coefficient of Variation? - Statology
WebByju's Answer Standard XII Mathematics Coefficient of Variation Find the coef... Question Find the coefficient of variation for the following data : Size (in cms ): 10−15 15−20 20−25 25−30 30−35 35−40 No of items: 2 8 20 35 20 15 Solution WebThe temperature coefficient of resistance α. The value of α can vary depending on the type of material. In metals, as the temperature increases the electrons attain more kinetic energy, thus more speed to undergo frequent collisions. We know that the resistivity of any substance is given by ρ = m/nq 2 τ exchange online internal email only
Coefficient of variation can be defined as C.V - BYJU
WebKarl Pearson’s coefficient of correlation is defined as a linear correlation coefficient that falls in the value range of -1 to +1. Value of -1 signifies strong negative correlation while +1 indicates strong positive correlation. WebCoefficient of variation is a relative measure of dispersion that is used to determine the variablity of data. It is expressed as a ratio of the standard deviation to the mean … WebMay 18, 2024 · In the finance industry, the coefficient of variation is used to compare the mean expected return of an investment relative to the expected standard deviation of the … exchange online ipv6