DESCRIPTIVE STATISTICSComparing standard deviations without calculationThree distributions, labeled (a), (b), and (c) are represented below by their histograms. Each distribution is symmetrical and is mWithout performing any calculations, order their respective standard deviations o,, O, and o.(a)(Б)5.6 7.8 9 10 11 12 13 141.2 34 5 67 89 10 I1 12 13 142.14(c)田田a2.3 4 56.7 8 910 11 12 13 14口

Answered: Three distributions, labeled (a), (b),…

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 following table shows the number of people that have either 0, 1, 2 or 3 cars registered in their name, from a sample of 342 people. x n 0 97 1 96 2 98 3 51 (a) Find the mean number of cars owned for this sample. Give your answer to at least 2 decimal places. (b) Find the standard deviation of cars owned for this sample. Give your answer to at least 2 decimal places.
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Name C: Compute the mean & the standard deviation of the following slightly larger data set (again, with no rounding): (X₁-Xbar) (x₁ - Xbar)² i 1 2 3 4 5 7.2 7.1 7.1 6 7.2 7 7.1 8 7.2 9 7.1 10 7.2 11 7.2 12 7.2 Σ(x₁) = 861 N = Xbar = 775 error = X₁ 7.2 7.3 diff diff = Tex 6. Bood 16,00 44 forgova Nove 6103 or $3 Σ(x₁ - Xbar)² = N - 1 = σA = Percent Error & Percent Difference: Use your values from the C data set in part IV & a value for Xknown = 7.21 to compute the error, relative error, & %E. Write down your symbolic formulas in the space below each answer. Include +/- signs. D forory?" rel. GA=6,087 % rel. σA=FU 70 rel. error = on God A rel. error = rel. diff 404 0,06 rel. diff= x lab I fuc error = ₁x fre = 7.1 & X₂ 7.3, to compute the diff, rel. diff, & %D. Use two experimental values, Write down your symbolic formulas in the space below each answer. ylab-x the %E= = %E= %D= %D=
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