# Assignment 2 template 9 .docx - HLTH7008 Introduction to...

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HLTH7008 Introduction to Biostatistics, Autumn 2022Assignment 2Due Sunday May 8, 2022“When submitting your assignment to Turnitin you are implicitly ticking these statements:I retain a backup file of this assignment in case the original file is lost or damaged.I hereby certify thatno part of this assignment or producthas been copied from anyother student’s work or from any other source except where due acknowledgementis made in the assignment.I hereby certify that no part of this assignment or product has been submitted by mein another (previous or current) assessment.I hereby certify that no part of the assignment has been written or produced by anyperson.I hereby certify that no part of this assignment has been made available to any otherstudent.I am aware that this work will be reproduced and submitted to plagiarism detectionsoftware for the purpose of detecting possible plagiarism. This software may retaina copy of this assignment on its database for future plagiarism detection.I understand that failure to uphold this declaration may result in academicproceedings in line with the UWS Student Academic Misconduct Policy.”Your name:Kim Ngan VoYour student number: 20556929Question 1a)
The variability of length of stay in hospital looks about equal between two group.This manifests as both as a similar overall range of values (width of the whiskers) anda similarinterquartile range (width of the box).
The variability of length of stay in hospital looks about not equal between two group.Length of stay in hospital to be more varied in the language spoken at home isEnglish group than in the language spoken at home is ‘other’. This manifests as bothas a larger overall range of values (width of the whiskers) and a largeinterquartilerange (width of the box).b)c)Step 1: Set up hypotheses and determine level of significanceNull hypothesis:-No difference in mean length of stay in hospital between patients whoselanguage spoken at home is English and patients whose language spoken at homeis ‘other’Research hypothesis:
-Yes, there is a difference in mean length of stay in hospital between patientswhose language spoken at home is English and patients whose language spokenat home is ‘other’-This a two-tailed alternate hypothesisLet:-Subscript 1 represent the sample of patients whose language spoken at home isEnglish and subscript 2 represent the sample of patients whose language spokenat home is ‘other’.

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Term
Fall
Professor
N/A
Tags
Statistical hypothesis testing, Commander