Example 20. Calculate the median from the following data :WagesNumber of workersLess than 1005Less than 20012Less than 30020Less than 40032Less than 50040Less than 60045Less than 70052Less than 80060Less than 90068Less than 100075

Answered: Example 20. Calculate the median from…

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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Data on 30 grades of Statistics courses. 54 76 83 49 84 65 55 79 92 59 67 58 62 75 86 63 79 64 52 58 90 60 78 92 87 79 56 69 72 85 Present the data in the form of a numerical summary and its graph by following the sequential steps as follows: a. Sort data from smallest to largest... b. Average grades C. Median (quartile 2).... d. Quartile 1..... e. Quartile 3... f. Maximum value g. Minimum value
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
We sometimes hear that getting married is good for your career. Assume the table presents data from one of the studies behind this generalization that classifies men ages 18 and over according to marital status and annual income. We include only data on men to avoid sex bias. Income No income $1-$49,999 $50,000-$99,999 $100,000 and over Total Marital status and salary level (thousands of men) Marital Status Single men with no income: Single (Never Married) 5403 25,696 6152 2145 39,396 Married 1256 31,569 22,145 14,588 69,558 Divorced 563 6210 3112 1912 11,797 Widowed 145 2439 650 301 3535 What percentage of single men have no income? Give your answer to one decimal place. Total 7367 65,914 32,059 18,946 124,286 %
D, E and F please
10. Critical Thinking The following data represent salaries, in thousands of dollars, for employees of asmall company. Notice that the data have been sorted in increasing order. 24 25 25 27 27 29 30 3535 35 36 38 38 39 39 40 40 40 45 45 45 45 47 52 52 52 58 59 59 61 61 67 68 68 68 250(a) Make a histogram using the class boundaries 23.5, 69.5, 115.5, 161.5, 207.5, 253.5.(b) Look at the last data value. Does it appear to be an outlier? Could this be the owner’s salary?(c) Eliminate the high salary of 250 thousand dollars. Make a new histogram using the classboundaries 23.5, 32.5, 41.5, 50.5, 59.5, 68.5. Does this histogram refl ect the salary distribution ofmost of the employees better than the histogram in part (a)?
Can you answer all the parts to this question
A flight travels daily from Pittsburgh to San Antonio. The following list gives the flight's arrival time (in minutes) relative to the scheduled arrival time for a selection of 10 days. (A negative number means the flight arrived that many minutes early.) -8, 9, -9,-10, 26, 36, -1, 11, 21, 23 Send data to calculator not (a) What is the median of this data set? If your answer. an integer, round your answer to one decimal place. (b) What is the mean of this data set? If your answer is not an integer, round your answer to one decimal place. Ozero modes (c) How many modes does the data set have, and what are their values? Indicate the number of modes by clicking in the appropriate circle, and then indicate the value(s) of the mode(s), if applicable. one mode: 0 two modes: and 5 2 Continue acer esc ! @ 3 $ 4 % 5 6 & 7
29 Calculate the median from the following data; Size Frequency 50 40 30 20 10 More than 40 98 123 165

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Example 20. Calculate the median from the following data : Wages Number of workers Less than 100 Less than 200 12 Less than 300 20 Less than 400 32 Less than 500 40 Less than 600 45 Less than 700 52 Less than 800 60 Less than 900 68 Less than 1000 75