-final exam-

salam kemesraan to all bloggers..rini aku ngah pening kepala nk jwab exam paper 4 final..rini bru pat email exam Q?klazmate aku k.Raguan bdk Singapore td attach email....sok 24/11 b4 12pm dh kena submit..xtawla nk jwb per..bc pun overally je ni..ntah pe nk answer pon xtaw..uuuu yaiiii..anybody can help me pliz???mohler kiter sm2 tgok soalan dia..mohlerrrrrr...huk3

~AL-FENING KEPALA~

 

FINAL EXAMINATION

SEMESTER I, ACADEMIC SESSION 2010/2011

DATE : NOV-DEC 2010                                   SUBMISSION: 24 NOV 2010 (12 PM)

MDB8023

DATA ANALYSIS

INSTRUCTIONS TO CANDIDATES:

1.                  Answer ALL questions.

2.                  All answers must be written in the Answer Booklet provided.

DO NOT OPEN THIS QUESTION BOOKLET UNTIL YOU ARE TOLD TO DO SO

This question booklet has THREE (3) printed pages excluding this cover page

 [TOTAL MARKS = 80 marks]

This section contains FOUR questions. Answer ALL questions.

Each question carries 20 marks.

Question 1     

a.         Contrast univariate, bivariate and multivariate quantitative data analysis.                                                                                                                            [2 marks]

b.         Discuss TWO importance of reliability in respondent’s answers.      [6 marks]

c.         Explain TWO ways to minimize the number of non-substantive responses. 

                                                                                                                        [5 marks]

d.         A researcher collects data by interview on a sample of households to find out if Malaysian who read ‘quality’ daily newspapers are more knowledgeable about politics than Malaysian who read ‘tabloid’ newspapers daily. The haunch was confirmed. Malaysian who read the quality newspapers were twice as likely to respond accurately to a series of questions designed to test their political knowledge. The researcher concludes that the quality dailies induce higher levels of political knowledge than the tabloids. Assess this reasoning.        [7 marks]

 [TOTAL MARKS = 20 MARKS]

                                                                                               

Question 2

a.         Use Statistical Package for Social Sciences (SPSS) to explain the relationship between sample size and sampling error.                                                [3 marks]

b.         A group of final year students decides to see if the lecture material in Dr Boering’s lectures can be made more memorable. They decide that the best way to do this would be to take hallucinogenic gas during the lectures. At the end of term there was an exam and those students who took gas during the lecture obtained the following marks:

            23, 89, 62, 11, 76, 28, 45, 52, 71, 28

            Those students in the class who did not take hallucinogenic gas obtained the following marks:

            45, 52, 68, 74, 55, 62, 58, 49, 42, 57

(i)                 What is the independent variable (IV) in this study?             [2 marks]

(ii)               What is the dependent variable (DV)? Is the DV discrete or categorical?

[3 marks]

(iii)             Use Statistical Package for Social Sciences (SPSS) to plot histograms for the two sets of data and calculate the standard deviation and mean for both sets of scores.                                                                           [5 marks]

c.         Use Statistical Package for Social Sciences (SPSS) procedure to recode the variable income into the new variable of incomec comprising three groups of those earning: less than RM5,000 and under RM10,000 and RM10,000 and over, and where missing values are assigned as zero?                                   [7 marks]                               

 [TOTAL MARKS = 20 MARKS]

Question 3

           

a.         Discuss how many factors are there in a factor analysis and provide one example of its use.                                                                                               [5 marks]

           

b.         What is the advantage of orthogonal rotation?                                  [3 marks]

           

c.         How does principal component analysis differ from principal-axis factoring?

                                                                                                                        [3 marks]

d.         You have developed a questionnaire to measure anxiety which consists of ten items. You want to know whether the items constitute a single factor. Justify THREE reasons to carry out a factor analysis on the ten items.   [9 marks]

[TOTAL MARKS = 20 MARKS]

Question 4     

a.         Suppose you wanted to find out whether there had been a statistically significant change in three types of books (classified as romance, crime and science fiction) sold by two shops. Justify the test you would use.                                    [5 marks]

b.         What would the null hypothesis be?                                                   [3 marks]

c.         If the SPSS names were book for the type of book sold and shop for the two shops, what would be the procedure for running this test?                      [6 marks]

d.         If the value of this test were statistically significant, how would you determine if there had been a significant change between any two cells say romance books, for the two shops?                                                                                             [2 marks]

e.         What test would you use if you wanted to find out if the average number of books sold by the same ten shops had changed significantly in the three months of September, October and November in 2010?        [4 marks]                                                                                             

[TOTAL MARKS = 20 MARKS]

- End of Question -