appropriate measure of dispersion for the followingEstimate andata:IncomeNo. of PersonsRs.Less than 5050705410070 -9090 100110 130140300230

We want to find the measure of dispersion. Best measure of dispersion is standard deviation. So we…

Answered: Estimate an appropriate measure of…

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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From the following data find the index of crimes in Orissa for 1998 with 10 as base : Crimes 1997 1998 (no. of cases) (no. of cases) Weights Rape Murder Forgery Arson Robbery 10 12 5 15 20 8. 250 200 3 300 250 2 500 450 1
4) The table shows, for the years 1997–2012, the mean hourly wage for residents of the town of Pity Me and the mean weekly rent paid by the residents. Mean hourly wage (dollars) Mean hour. Mean weekly rent (dollars) Mean weekly rent (dollars) Year Year (dollar 116 1997 57 10.38 2005 28.99 59 113 1998 10.89 2006 28.63 2007 1999 62 11.96 112 36.75 14.55 2000 63 12.46 2008 86 17.90 2001 86 17.72 2009 90 2002 2010 119 28.07 90 14.67 131 35.24 2003 2011 17.97 100 122 2004 2012 22.23 31.87 115 Find the least squares line that uses mean hourly wage to predict mean weekly rent. Round values to the nearest ten-thousandth. Include a scatter plot with the regression lino
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Evaluate an appropriate measure of dispersion for the following data : Income : Less than 50 50–70 70-90 90–110 110–130 | 130–150 above 150 No. of Persons : 54 100 140 300 230 125 51
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x1: Rate of hay fever per 1000 population for people under 25 96, 92, 122,126, 94, 123,12, 93, 125, 95, 125, 117, 97, 122,127, 88 x2: Rate of hay fever per 1000 population for people over 5097, 112,103, 96,114, 88, 110, 79, 15, 100, 89, 114, 85, 96 x1 = s1 = x2 = s2 = Compute the corresponding z or t-value as appropriate. (Test the difference ?1 − ?2. Do not use rounded values. Round your answer to three decimal places.) What is the value of the sample test statistic? Find a 90% confidence interval for ?1 − ?2. (Round your answers to two decimal places.)lower limit:________upper limit:________
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Estimate an appropriate measure of dispersion for the following data : Income Rs. No. of Persons Less than 50 50- 70 54 70- 90 100 -- 140 90 100 110 130 - 300 230 -