5:5. Marks secured by 50 students in a test paper are given below3040485539253112182154595133434410381926413537414633513758581719232629385736354443271943223147343115Prepure u frequency table with class intervals 10-19, 20-29, 30-39,... and calculate the value ofIhe urithmetic mean from the frequency table obtained.

Answered: Image /qna-images/answer/37192f25-2d73-4193-8f4c-687e1d705e07.jpg

Answered: 5:5. Marks secured by 50 students in a…

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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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
Calculate Organize the data into a frequency distribution with FIVE classes with the minimum entry of 1. Make a frequency table showing class limits, class boundaries, frequencies, midpoints, Cumulative frequency, and relative frequencies. 49 18 36 19 18 17 1 21 22 54 46 50 1 59 39 43 39 5 9 38 14 45 54 59 46 50 29 38 40 43 41 10 39 What is the Cumulative frequency of 3rd Class? 25 50 12 19 41 25 19
6. The results of an IQ test of a group of students in a certain college were taken and are presented in a frequency distribution. Classes f 70-75 2 76-81 8 82-87 19 88-93 21 94-99 28 100-105 38 106-111 15 112-117 9 Required: Using the frequency distribution above, determine the following: a) size of the class interval; b) median class; c) lower boundary of the median class; d) midpoint of the median class; e) upper limit of the median class; f) modal class; g) lower limit of the modal class; h) number of students with an IQ greater than 99.5; i) midpoint of…
33 33 | 19 49 33 34 46 34 39 31 55 30 34 27 35 | 29 31 |32 24 36 29 57 50 39 45 53 44 50 45 36 23 42 50 36 38 40 26 43 | 35 29 | 22 36 34 53 30 26 26 | 22 30 31 a. Organize the user's ages in a frequency table of six classes with sSuitable class width (class interval). (You have to construct a table with classes, frequency, cumulative frequency, relative frequency, and percent relative frequency). b. Represent the users ages by suitable graphs (minimum 2 graphs).
5. The female students in an undergraduate engineering core course at UH self-reported their heights to the nearest inch. The data is as follows. 62 64 61 67 65 68 61 65 60 65 64 63 59 68 64 66 68 69 65 67 62 66 68 67 66 65 69 65 69 65 67 67 65 63 64 67 65 First construct the frequency distribution Table like Table 6-4 on Page 213 of textbook where you only need to specify the classes/bins, frequency info. Then using the table to create the histogram; here let the height of rectangle (for each bin) equal to the frequency instead of relative frequency in your histogram even though you can also set the height as the relative frequency. Hint: create the frequency distribution table by hand, but you can create the histogram in Excel and insert the result as a figure.
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