Example 13. Calculate the mean deviation from the mean for the following data:Class Interval:0 - 44 - 88 - 1212 – 1616 – 20Frequency :468.52

Class Frequency 0 - 4 4 4 - 8 6 8 - 12 8 12 - 16 5 16 - 20 2

Answered: Example 13. Calculate the mean…

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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Q1/From the following classified data, find the mean. Sketch the relative frequency polygon and the cumulative frequency curves? Class limits 50-69 70-89 90-109 110-129 130-149 Frequency 3 7 4 4 9 Q2/Consider the following frequency table: A- Find the median and the mode. B- Sketch the relative histogram and the frequency polygon? Class limits 33-39 40-46 47-53 54-60 Frequency 3 5 8 6
Subject: Engineering data analysis
Suppose the following data shows the number of the problems from the Practice Problems Set attempted in the past week by 10 randomly selected students: 2, 4, 0, 7, 1, 2, 0, 3, 2, 1 Estimate the mean number of practice problems attempted by a student in the past week. 2.0 2.4 2.2 3.0
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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Example 11. Find the mean deviation from (i) mean and (ii) median for the following data: Marks : 20 18 16 14 12 10 8 6 No. of Students : 2 4 18 27 25 14 1 Also calculate coefficient of variation.
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Example71. Calculate mean deviation from median and its coefficient from the following data 2, 4, 7, 8, 9 bru
Calculate variance and co-efficient of variation from the following data: Class Interval : 12-16 16-20 20-24 24-28 28-32 32-36 Frequency: 2 8 18 10 6. 5

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Example 13. Calculate the mean deviation from the mean for the following data: Class Interval: 0 - 4 4 - 8 8 – 12 12 – 16 16 – 20 Freauency.