Research Methodology Questions
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References:
1.Cooper, D. R., & Schindler, P. S. (2011). Business research methods (11th ed.). New York: McGraw Hill.
2.Zikmund, W.G., Babin, B.J., Carr, J.C. & Griffin, M. (2013). Business research methods, International Edition (9th ed). Canada: South-Western Cengage Learning.
A study on 100 employees of the company regarding income and education level was carried out in the states of A and B produced the following results: Y. = 12.34 + 55.55D, + 43.21X; se (32.10) (15.51) (01.23) R2 = 0.99 Dengan; Where; Y = Pendapatan tahunan pekerja mengikut negeri (RM) Annual income of employees by state (RM) D1 = Pemboleh ubah patung: 0 jika pekerja berada di negeri A, 1 pekerja berada di negeri B Dummy variable: 0 if the employee is in the state A, I if the employee is in the state B X = Tahap pendidikan pekerja mengikut negeri (tahun) Education level of employees by state (year) se = Ralat piawai Standard error Berdasarkan maklumat di atas jawab soalan berikut: Based on the above information, answer the following questions: i. Berapakah perbezaan pendapatan tahunan pekerja di negeri A dan B? What is the difference in employee's annual income between A and B states? (5 markah/marks)b. Ali wants to compare the sales of fruits in his stall. Please help Ali to interpret the output based on Table 2. Table 2 Sum of Squares Mean Square F Sig Between Groups 7.487 3 2.496 3.763 011 Within Groups 163.810 247 663 Total 171.297 250 Mean 95% Confidence Interval (J) Difference Sid Lower Upper ()) fruits fruits (I-J) Error Sig Bound Bound Banana Epal 48316 14659 001 1944 7719 Orange 04604 -17347 791 -2956 3877 Guava -.21729 47395 647 -1.1508 7162 Epal Banana - 48316 .14659 001 -.7719 -.1944 Orange - 43712 21084 039 -.8524 -.0218 Guava -.70045 48887 153 -1.6633 2624 Orange Banana -.04604 17347 791 -.3877 2956 Epa 43712" 21084 039 0218 8524 Guava -.26333 49759 597 -1.2434 7167 Guava Banana 21729 47395 647 -.7162 1.1508 Epal 70045 48887 153 -.2624 1.6633 Orange 26333 49759 597 -.7167 1.2434 The mean difference is significant at the 0 05 level. i. State the type of statistical test used in Table 2. (1 mark) ii. State the independent and dependent variables of the study. (2 marks) ili. Develop the null and alternative hypotheses from Table 2. (2 marks) iv. Does the sales differ significantly among the type of fruits? Interpret the result. (3 marks)V. Which pair(s) of fruits have significant difference in sales? Justify your answer. (2 marks) c. Puan Salmah wants to study the factors that influence the commitment of her worker. Based on the tables given, answer the following questions. Model Summary Adjusted R Sid. Error of Model R R Square Square the Estimate 1 .221 449 452 68823 a. Predictors: (Constant), Reward, Working environment, Stress, Job security, Attitude ANOVA" Sum of Model Squares df Mean Square F Sig Regression 21.723 5 4.345 9.173 000% Residual 292.720 618 474 Total 314.444 623 a. Dependent Variable: Work Commitment b. Predictors: (Constant). Reward, Working environment, Stress, Job security, Attitude Coefficients" Standardized Unstandardized Coefficients Coefficients Model B Sid. Error Beta Sig. (Constant) 3.608 152 23.720 000 Reward 138 045 157 3.072 002 Working 077 038 099 2.034 042 environment Stress -. 143 047 -. 158 -3.073 002 Job security 022 032 028 .689 491 Attitude 090 039 114 2.327 020 a. Dependent Variable: Work Commitment 1. Develop the null and alternative hypothesis of the test. (2 marks) ii. Interpret Ravalue. (2 marks)iii. Write down the equation formula for the estimated model of the Multiple Linear Regression analysis carried out. (2 marks) iv. State any TWO (2} predictor variables that have positive relationship with dependent variable. Justify your answer. {2 marks} F5 Identify the predictor variables that contribute the highest and lowest variation of the dependent variable. Justify your answers. mmmmi ii) Sekiranya purata tahap pendidikan setiap pekerja adalah 15 tahun, berapakah pendapatan tahunan pekerja di negeri A? If the average education levels every employee is 15 years, what is the annual income of employees in state A? (5 markah/marks)A study on duck meat demand has been carried out in the village and in the city with the regression model Yi = Bo + BiXi + B2X2 + diDi + u produces the following results: Y, = 0.4 - 0.3X1 + 0.2X2 + 0.1D: dengan; where ; Y, adalah kuantiti diminta daging itik (kilogram) is quantity demand for duck meat (kilogram) Xi adalah harga daging itik (Ringgit Malaysia - RM) is price for duck meat (Malaysia Ringgit - RM) X2 adalah harga daging ayam (Ringgit Malaysia - RM) is price of chicken meat (Malaysia Ringgit - RM) Di adalah pemboleh ubah patung: 0 jika di kampung dan 1 jika di bandar is dummy variable: 0 for the village and I for the cityHow much the quantity of duck meat demanded in the city compares to the village. Show your calculation. (5 markah/marks)A study on chicken demand has been carried out in one area with the regression model Y, = Bo+ BIXI + B2X2+ diDi+ u produces the following results: Y, = 7.6 -5.4X1 + 3.2X2 + 1.0D1 dengan; where; Y', adalah kuantiti ayam diminta (kilogram) is quantity demand for chicken (kilogram) X1 adalah harga ayam (Ringgit Malaysia) is price for chicken (Malaysia Ringgit) X2 adalah harga ikan (Ringgit Malaysia) is price of fish (Malaysia Ringgit) Di adalah pemboleh ubah patung: 0 jika penduduk di bandar dan 1 jika penduduk di luar bandar is dummy variable: 0 for urban residents and I for rural residentsHow many chicken are demanded by the urban residents compares to the rural residents? Show your calculation. (5 markah/marks)d. Identify the proper sampling design and sampling technique for each of the scenarios. Justify your answer. Scenario 1 The Executive board of a relatively small university located in Europe wants to determine the attitude of their students toward various aspects of the University. The university. founded in 1928. is a fully accredited government financed university with 11,000 students. The university specializes in the social sciences and humanities and has 5 faculties, 6 service departments. 8 research centers. and 2 graduate. Scenario 2 A schools magazine article suggested that "Consumers 35 to 44 will soon be the nation's biggest spenders. so advertisers must learn how to appeal to this "over- the-thrill crowd". If this suggestion appeals to an apparel manufacturer what should be the sampling design to assess the tastes of this group? Scenario 3 Dr. Fuad wants to study the contributing factors of transgender symptoms. [6 marks} the desire to appear stylish will move towards the purchase of counterfeit luxurious brand handbag it the brand is well-known. Mere celebrated the luxurious brand. the higher oI likelihood of women to buy the goods. a. Identify the broad problem in the above scenario. {'I mark] h. Draw a research framework based on the above passage. {11 marks} o. Develop TWO {2] research objectives and TWO {2} research questions based on the above scenario. {4 ma rks] d. Develop ONE {1} set of hypothesis that involves moderating variable and ONE {1] set of hypothesis that involves mediating variable. {4 marks] a. What is the appropriate research design to be applied in this scenario? Explain in terms of {i} purpose of study. {ii} study setting. {iii} researcher interference and {iv} unit of analysis. Justify your answer. {8 marks} f. Suggest the most appropriate survey distribution method to be applied in the scenario. Explain why it works best than other methods. {2 marks) I: one ETESUE [EB-EH tD' a GE Table 'I . .32? i. State the type of statistical analysis used in Table 1. {1 mark] Ii. Explain the ma'n purpose of doing the analysis. [2 marks] ill. Interpret the output from Table 1. Justify your answer by using specic guidelines (4 marks) is. Identify which particular item you would choose to remove ilr you want to Increase the score of the test. Justiy your answer. [3 marks}
