The following table shows the distribution of age of a class.agef응cum.fcum.%191040.001040.0020624.001664.0021832.002496.004714.0025100.00TOTAL25100.00

Answered: The following table shows 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 following data represent the smoking status by level of education for residents 18 years old or older living in a certain country from a random sample of 999 residents. Complete parts (a) and (b).
1. The following data represents the heart beat rate, in bpm, of patients in a hospital. (a) Create a frequency distribution with 5 classes and draw a histogram for the data. Label the class boundaries on the horizonal axis of your histogram. (b) Describe the shape of the histogram. 89 84 94 91 78 83 96 93 76 77 78 78 58 99 75 58 79 78 81 87 88 90 79 43 90
The frequency distribution of different age groups in a club are given below. What is the probably of not choosing a person who is 30-44 years old? Ages Frequency 0-14 4 15-29 23 30-44 46 45-59 98 60+ 97 Answers should be decimals (not percentages) correct to three decimal places
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
The harmonic mean of the earning of the company is-(in $) 56 67 43 21 76 47 1)44.45 2)48.56 3)43.44 4)45.44
On the basis of a population survey, there were 84.4 million males and 98.2 million females 25 years old or older in a certain country. The educational attainment of the males and females is shown in the accompanying table. Complete parts (a) through (d) below.
Define frequency distribution?
Among fatal plane crashes that occurred during the past 55 years, 553 were due to pilot error, 79 were due to other human error, 288 were due to weather, 533 were due to mechanical problems, and 111 were due to sabotage. g Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it? --..- Complete the relative frequency distribution below. Relative Cause Frequency % Pilot error Other human error Weather % Mechanical problems % Sabotage % (Round to one decimal place as needed.)
Calculate arithmetic mean by the short-cut method using frequency distribution.
The average monthly earnings (in OMR) of the 10 workers in various industries are listed below. What is the percentile rank of 625? 701, 604, 538, 625, 574, 659, 735, 513, 789, 847 A. 45th B. 35th O C. 40th O D. 25th
The numbers of students in the 10 schools in a district are given below. (Note that these are already ordered from least to greatest.) 204, 250, 255, 262, 274, 311, 369, 381, 389, 415 Send data to calculator Suppose that the number 204 from this list changes to 304. Answer the following. (a) What happens to the mean? It decreases by U O It increases by O It stays the same. (b) What happens to the median? O It decreases by O It increases by O It stays the same.
5. Find the median for the following distribution. Income above Rs 1000 1500 2000 2500 3000 3500 4000 No. of person 80 62 33 16 6. 2

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The following table shows the distribution of age of a class. age f 응 cum.f cum.% 19 10 40.00 10 40.00 20 6 24.00 16 64.00 21 8 32.00 24 96.00 47 1 4.00 25 100.00 TOTAL 25 100.00