Answered: Ravg,data 1.1 Find the mean the mode…

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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Transcribed Image Text:10.1.2 STATISTICS 102 (100] QUESTION ONE [20] Read the following case studies and answer the questions that fallows: Mr Nick O'Tine has been a long-time smoker (some 40 years in fact) and now that he has retired has found himself with time to enjoy his favourite pastime even more. Nick has always been concerned about the price of cigarettes and has written numerous letters to newspapers complaining that smokers were being exploited by high taxes on cigarettes and, besides, there was a decreasing number of places where he is permitted to smoke in any case. But Mr O'Tine has recently found a new cause in that he feels that the public is being misled by false advertising on boxes of matches. He has carefully noted that the label on the brand of matches he buys clearly states 'Average contents 50 matches'. Nick goes to his local tobacconist and purchases 25 boxes of these matches, takes them home and counts the contents of each box. They were as follows: 48 51 47 1. 51 50 50 52 46 53 50 51 49 46 49 48 51 47 X 48 48 50 46 49 50 48 47 01225 He calculates the mean contents of his sample and discovers that it is indeed less than 50. With renewed vigour Nick files, a complaint to Ms Litty Gation, a Consumer Affairs officer, who is given a copy of Nick's letter together with his data. Litty's job isto investigate Nick's complaint. Ra.data -1.1 Find the mean the mode and the median Nick's data. Pa 92 95 (6) 1.2 From the measures of central tendency calculated above, comment on the skewness of the data. 5 107 Find the mean deviation of Nick's data Sudent Portal (3) 1.3 (6) Comment on the way that Nick obtained his sample. Explain whether or not you 1.4 bow data think it was appropriate. 9 46 (5 REDMI NOTE 9 AI QUAD CAMERA REGENT BUSINESS SCH001

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