final_exam_s1_2007 - THE AUSTRALIAN NATIONAL UNIVERSITY...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Page 1 of 11 THE AUSTRALIAN NATIONAL UNIVERSITY SCHOOL OF FINANCE AND APPLIED STATISTICS QUANTITATIVE RESEARCH METHODS (STAT1008) Final Examination for Semester 1 2007 Study Period: 15 minutes Time Allowed: 3 hours Permitted Material: Calculator, dictionary and 1 A4 page with notes on both sides Instructions to Candidates: Attempt ALL questions. Each question is of equal mark value. Start your solution to each question on a new page. To ensure full marks show all the steps in working out your solution. Marks may be deducted for failure to show appropriate calculations or formulae. Unless otherwise stated, use a significance level of 5%. Selected statistical tables are attached to the back of the examination paper.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
STAT1008 Quantitative Research Methods Final Examination Semester 1, 2007 Page 2 of 11 Question 1: 20 marks For each question below, choose the best answer from the options given. Write your answer in your answer booklet clearly indicating the question (i to xx), and your answer as the letter appropriate (A, B, C, or D). You will gain 1 mark for each correct answer. Marks will not be deducted for incorrect answers. i. The Central Limit Theorem applies to a. All Normal random variables b. All continuous random variables c. All count or continuous random variables d. All random variables ii. The sample mean will typically be larger than the sample median if a. The sample is large b. The sample is skewed left c. The sample is skewed right d. The sample is bimodal iii. Which of the below is a difference between a bar chart and a histogram? a. A histogram must always be grey, a bar chart can be coloured b. A histogram can only be created in Minitab, a bar chart can be done by hand c. A histogram is appropriate for continuous variables only, a bar chart is appropriate for discrete variables only d. A histogram is appropriate for discrete variables only, a bar chart is appropriate for continuous variables only For each of questions (iv)to (ix), choose whether the random variable described is continuous, count, ordinal or nominal. iv. The number of courses you will pass this semester. a. Continuous b. Count c. Ordinal d. Nominal v. The length of time you will sleep tomorrow night. a. Continuous b. Count c. Ordinal d. Nominal vi. The number of students sitting this STAT1008 exam. a. Continuous b. Count c. Ordinal d. Nominal
Background image of page 2
STAT1008 Quantitative Research Methods Final Examination Semester 1, 2007 Page 3 of 11 vii. The volume of milk (in Litres) you drink next week. a. Continuous b. Count c. Ordinal d. Nominal viii. The weight of a textbook. a. Continuous b. Count c. Ordinal d. Nominal ix. The distance you walk tomorrow. a. Continuous b. Count c. Ordinal d. Nominal Questions (x) to (xiv) refer to the following scenario. A study was performed into the costs associated with in-home care for patients suffering dementia. 141 caregivers were randomly selected, and filled in survey forms. Each caregiver reported the number of hours per week spent in direct caregiving tasks, as well as their own age and gender, and the age and gender of the patient for whom they provide care.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/13/2011 for the course STAT 1008 taught by Professor Miss during the Three '11 term at Australian National University.

Page1 / 11

final_exam_s1_2007 - THE AUSTRALIAN NATIONAL UNIVERSITY...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online