# STA 404 Assessment 3 Case Study .docx - CONFIDENTIAL 1...

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CONFIDENTIAL1CS/JUL 2021/STA404UNIVERSITI TEKNOLOGI MARAASSESSMENT 3COURSE:STATISTICS FOR BUSINESS AND SOCIAL SCIENCESCOURSE CODE:STA404TASK:CASE STUDY ASSIGNMENT (GROUP)TIME:5 DAYS ONLY (WEEK 12)INSTRUCTIONS TO STUDENTS:1.This question paper consists ofFOUR (4)questions.2.AnswerQuestions 1 and 2 using the SPSS software and Questions 3 and 4 by manual computation.3.Students must accomplish the group assessment within FIVE (5) days.4.Students are required to convert their completed answer in one PDF file before submission(<FULLNAME_GROUP NUMBER>.pdf).NAME (AC2205BK / AC2205BG)STUDENT NO.1.NUR GHASTINA ELYIA BT ABDULLAH20209807832.NUR NAJIHA BT AZMAN HISHAM20209827373.NUR‘AIN ZAHIRAH BT MOHD RAZDHAN20209639874.PUTRI NAAJIHAH BT MAZLAN2020977051Q1/5Q2/5Q3/5Q4/5TOTAL/20PLEASE SUBMIT THIS ASSESSMENT ON THE REQUIRED DATE
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Term
Spring
Professor
NoProfessor
Tags
Null hypothesis, Statistical hypothesis testing, Hak Cipta Universiti Teknologi MARA, t Statistic

Unformatted text preview: This assessment paper consists of 3 printed page © Hak Cipta Universiti Teknologi MARA CONFIDENTIAL CONFIDENTIAL 2 CS/JUL 2021/STA404 QUESTION 2 Null hypothesis : µd = 0 Alternative hypothesis : µd < 0 t statistic = −6.500 − 4.927√ 10= − 6.500 15.5805= -0.4172 Critical value = − tα , n-1 = -0.01, 9 = -2.821Decision rule Reject null hypothesis if t-test < t statistic. Conclusion Since t-test (-4.172) < t statistic (-2.821), we reject null hypothesis and conclude that there is enough evidence to conclude that the tutoring sessions help to improve the students’ mathematical skills. © Hak Cipta Universiti Teknologi MARA CONFIDENTIAL CONFIDENTIAL 3 CS/JUL 2021/STA404 © Hak Cipta Universiti Teknologi MARA CONFIDENTIAL...
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