# Assignment1_Tri1_2020(2).pdf - STAT 193 Statistics in...

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STAT 193Statistics in PracticeAssignment 1NEW DUE DATE: midnight Thursday 30 APRIL 2020——————————————————————————————————————–This assignment is worth 7% of your final grade.Attempt all questions, there are 100 marks in total.Where you are asked to construct a graph, you must include it in youranswer script (if you’re unsure how to copy a graph from Excel, see Helpwith Excel document #4 on Blackboard.)Label your graph appropri-ately.You must submit your assignment online via Blackboard (all instructionsunderAssignmentstab).Please ensure your assignment is reasonablywell spaced so that it is easier to mark.In case of illness, bereavement or significant technical problems, lateassignments may be accepted without incurring a penalty, but you mustemail us on[email protected]to arrange this.You may work together on assignments, but you must write alone.Plagiarism is not acceptable.——————————————————————————————————————–STAT 19312020T1 Assignment 1
1.[53 marks]A study was conducted on the factors affecting the levels of mercuryin hair of fishermen in Kuwait and was reported in an article in theEnvironmentalPollutionjournal (Al-Majed and Preston, 2000, pages 239-250). Total and methylmercury (MeHg) levels were measured from hair samples of 100 randomly selectedfishermen and an additional 35 randomly selected workers in a local constructioncompany. All 135 individuals lived in Doha fishing village at the time of the study.The main aim of the study was to determine whether mercury levels were associatedwith one or more of a number of other variables.The following information wascollected from each individual in the sample, some of the numbers were rounded:Variable nameDescriptionfishermanWhether or not an individual is a fisherman (yes, no)ageAge in yearsrestimeResidence time in full years completedheightHeight in centimetresweightWeight in kilogramsfishmlwkNumber of fish meals per weekfishpartParts of fish consumed: 0=none, 1=muscle tissue (mt) only

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