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1 ME Statistikk, metode og praktisk dataanalyse Kandidat-ID: 8551 Oppgaver Oppgavetype Vurdering Status 1 New document Dokument Automatisk poengsum Levert 2 Part I: Multiple Choice Questions Flervalg Automatisk poengsum Levert 3 Part I: Multiple Choice Questions Flervalg Automatisk poengsum Levert 4 Part I: Multiple Choice Question Flervalg Automatisk poengsum Levert 5 Part I: Multiple Choice Questions Flervalg Automatisk poengsum Levert 6 Part I: Multiple Choice Questions Flervalg Automatisk poengsum Levert 7 Part I: Multiple Choice Questions Flervalg Automatisk poengsum Levert 8 Part I: Multiple Choice Questions Flervalg Automatisk poengsum Levert 9 Part I: Multiple Choice Question Flervalg Automatisk poengsum Levert 10 Part I: Multiple Choice Questions Flervalg Automatisk poengsum Levert 11 Part I: Multiple Choice Questions Flervalg Automatisk poengsum Levert 12 Part II: - Question Sant/Usant Automatisk poengsum Levert 13 Part II: - Questions Sant/Usant Automatisk poengsum Levert 14 Part II: - Questions Sant/Usant Automatisk poengsum Levert 15 Part II: - Question Sant/Usant Automatisk poengsum Levert 16 Part II: - Question Sant/Usant Automatisk poengsum Levert 17 Part II: - question Sant/Usant Automatisk poengsum Levert 18 Part II: - Question Sant/Usant Automatisk poengsum Levert ME Statistikk, metode og praktisk dataanalyse Emnekode ME-109 Vurderingsform ME-109 Starttidspunkt: :00 Sluttidspunkt: :00 Sensurfrist PDF opprettet :39 Opprettet av Sara Isabelle Moen Antall sider 32 Oppgaver inkludert Ja Skriv ut automatisk rettede Ja 1
2 Oppgaver Oppgavetype Vurdering Status 19 Part II: - Question Sant/Usant Automatisk poengsum Levert 20 Part II: - Question Sant/Usant Automatisk poengsum Levert 21 Part II: - Question Sant/Usant Automatisk poengsum Levert 22 Part II: - Question Sant/Usant Automatisk poengsum Levert 23 Part II: - Question Sant/Usant Automatisk poengsum Levert 24 Part II: - Question Sant/Usant Automatisk poengsum Levert 25 Part II: - Question Sant/Usant Automatisk poengsum Levert 26 Part II: - Question Sant/Usant Automatisk poengsum Levert 27 Part III: SPSS Questions Dokument Automatisk poengsum Levert 28 Part III: SPSS Questions Skriveoppgave Manuell poengsum Levert 29 Part III: SPSS QuestiON Skriveoppgave Manuell poengsum Levert 30 Part III: SPSS Question Skriveoppgave Manuell poengsum Levert 31 Part III: SPSS Question Skriveoppgave Manuell poengsum Levert 32 Part III: SPSS Question Dokument Automatisk poengsum Levert 33 Part III: SPSS Question Sant/Usant Automatisk poengsum Levert 34 Part III: SPSS Question Sant/Usant Automatisk poengsum Levert 35 New Question Sant/Usant Automatisk poengsum Levert 36 Part III: SPSS Question Sant/Usant Automatisk poengsum Levert 37 Part III: SPSS Question Sant/Usant Automatisk poengsum Levert 38 Part III: SPSS Question Sant/Usant Automatisk poengsum Levert 39 Part III: SPSS Question Sant/Usant Automatisk poengsum Levert ME Statistikk, metode og praktisk dataanalyse Emnekode ME-109 Vurderingsform ME-109 Starttidspunkt: :00 Sluttidspunkt: :00 Sensurfrist PDF opprettet :39 Opprettet av Sara Isabelle Moen Antall sider 32 Oppgaver inkludert Ja Skriv ut automatisk rettede Ja 2
3 Section 1 1 New document Course code: ME-109 Course name: Statistics, Methods and Applied Data Analysis Date: 2nd June, 2015 Duration: 3 hours Resources allowed: Dictionaries (to/from/english/norwegian) or to/from/english and the students' native language. Notes: The exam consists of 3 sections: Part I (10 multiple choice questions, 2 points for each question), Part II (15 - Questions, 2 points for each question), Part III (Mixed SPSS related questions, 50 points). Please read the questions carefully before writing down the answer. There is only one correct answer for each question. 2 OPPGAVE Part I: Multiple Choice Questions 1). A preliminary examination of a problem e.g. declining market share of a firm, is an example of: Causal research Descriptive research Exploratory research All of the above ME Statistikk, metode og praktisk dataanalyse Page 3 av 32
4 3 OPPGAVE Part I: Multiple Choice Questions 2). Which of the following could be a purpose of the market research? To gain a better understanding of a situation To investigate an opportunity To understand or address one or more problems that may be negatively impacting the firm All of the above 4 OPPGAVE Part I: Multiple Choice Question 3). Which of the following statement is an example of the research question? To understand how consumers value product reviews, rating, and online searches. How do consumers feel about our brand, compared to our competitors? Customers rate our brand second only to Nikon. All of the above. 5 OPPGAVE Part I: Multiple Choice Questions 4). Qualitative research An Analysis of Factors that Contribute to a Parent-School Conflict in Special Education, conducted by Lake and Billingsley (2000) is an example of which of the following qualitative research types: ME Statistikk, metode og praktisk dataanalyse Page 4 av 32
5 Phenomenology Case study Grounded theory Ethnography 6 OPPGAVE Part I: Multiple Choice Questions 5). Which of the following is FALSE? When you conduct research you should make sure that: Respondents have the right not to participate. Respondents have the right to stop participating in a research study at any time. Respondents have the right to require that their information remain confidential Respondents do not have the right to require that personal information be deleted after use. 7 OPPGAVE Part I: Multiple Choice Questions 6). I. A company sends out an request for proposal (RFP) to various companies, but the decision has already been made about who will do the research. II. A firm submits a bid with an extremely low price, but it has no intention of doing the work at the quoted price. III. The firm submits a price that is legitimate. But, once the contract is signed, the firm identifies some means of upgrading the study. ME Statistikk, metode og praktisk dataanalyse Page 5 av 32
6 Which of the statements above are examples of unethical behavior from research suppliers side? Only I. I and II. II and III. I and III. 8 OPPGAVE Part I: Multiple Choice Questions 7). If you group the variables below based on the their similarities in the levels of measurement, which one would be left out? IQ Scores Gender Annual income in NOK Height 9 OPPGAVE Part I: Multiple Choice Question 8). Which of the following is calculated by adding all the cases and dividing by the number of those cases? Median Mean Mode Standard deviation ME Statistikk, metode og praktisk dataanalyse Page 6 av 32
7 10 OPPGAVE Part I: Multiple Choice Questions 9). Which of the following statement explains Type II error? The error of accepting the null hypothesis when it is false. The error of rejecting the null hypothesis when it is true. The error of rejecting the null hypothesis when it is false. None of the above. 11 OPPGAVE Part I: Multiple Choice Questions 10). Which of the following assumptions should be fulfilled to apply Pearson correlation test? The relationship between the variables is linear. The data are drwan from normally distributed populations. The data collected must be interval or ratio. All of the above. 12 OPPGAVE Part II: - Question 11). A company is conducting a research to select a location for their new store. This is an examle of conducting research to understand the problem that may be negatively impacting the profit of the firm. ME Statistikk, metode og praktisk dataanalyse Page 7 av 32
8 13 OPPGAVE Part II: - Questions 12). Qualitative research involves structural data collection methods, provide results that can be converted to numbers and analyzed through statistical procedures. 14 OPPGAVE Part II: - Questions 13). The figure in the attached file, indicates a strong negative correlation between the variables 'High School GPA' and 'SAT Score'. Denne oppgaven inneholder en PDF. Se neste side. ME Statistikk, metode og praktisk dataanalyse Page 8 av 32
9 Part II: - Questions Q 13). ME Statistikk, metode og praktisk dataanalyse Page 9 av 32
10 15 OPPGAVE Part II: - Question 14). In order to conclude the rejection of a null hypothesis (H0), in a two-tailed test, researchers look for a level of significance (p-value) that is lower than 0.05 or 5 %. 16 OPPGAVE Part II: - Question 15). A company, where the average yearly employee salary is NOK with a standard deviation of NOK, offers you a job with NOK yearly salary. You can conclude that you will probably be earning less than a typical employee in the company. 17 OPPGAVE Part II: - question 16). Two factor independent analysis of variance (Two-way ANOVA) is applied in a situation when a researcher analyzes the effect of the two independent variables on one dependent variable, and dependent variable is continuous. ME Statistikk, metode og praktisk dataanalyse Page 10 av 32
11 18 OPPGAVE Part II: - Question 17). A researcher was interested in the effects of hints on a person s ability to solve anagrams. The time it took a participants to solve five eight-letter anagrams was measured. The same five anagrams were used in three conditions: first letter (where the first letter of the word was given), last letter (where the last letter was given), and no letter (where no help was given). Thirty participants were chosen and ten were randomly allocated to each condition. The number of minutes it took to solve the five anagrams was recorded. The researcher believes that One-way ANOVA is the appropriate test for this analysis. 19 OPPGAVE Part II: - Question 18). A correlation coefficient of r = 0.95, indicates a very strong positive correlation between two variables. ME Statistikk, metode og praktisk dataanalyse Page 11 av 32
12 20 OPPGAVE Part II: - Question 19). The probability of an event is a numerical value that represents the proportion of times the event is expected to occur when the experiment is repeated under identical conditions. 21 OPPGAVE Part II: - Question 20). What is the probabilty that a person who just turned 80 will survive beyond age 90? A researcher must apply conditional probability to answer this question. 22 OPPGAVE Part II: - Question 21). On the basis of the mean values, given in the table (See the attached file), researcher can conclude that Service quality is the least important factor. ME Statistikk, metode og praktisk dataanalyse Page 12 av 32
13 Denne oppgaven inneholder en PDF. Se neste side. ME Statistikk, metode og praktisk dataanalyse Page 13 av 32
14 21). Part II: - Questions ME Statistikk, metode og praktisk dataanalyse Page 14 av 32
15 23 OPPGAVE Part II: - Question 22). A low standard deviation means that the data is very closely related to the average, thus very reliable. 24 OPPGAVE Part II: - Question 23). The figure in the attached file shows distributions for the two data sets. A researcher concluded that both data sets follow normal distribution. Denne oppgaven inneholder en PDF. Se neste side. ME Statistikk, metode og praktisk dataanalyse Page 15 av 32
16 23). Part II: - Questions ME Statistikk, metode og praktisk dataanalyse Page 16 av 32
17 25 OPPGAVE Part II: - Question 24). Because of time and cost constraints, researchers in most studies will select a sample, rather than the entire population being studied. 26 OPPGAVE Part II: - Question 25). A correlation is performed to test the degree to which the scores on the two variables correlate, that is the extent to which the variation in the scores on one variable results in a corresponding variation in the scores on the second variable. 27 Part III: SPSS Questions Tetra Laval is the Sweden-based multinational liquid food processing and packaging group with headquarters in Pully, Switzerland. The Tetra Laval Group provides packaging, processing and distribution solutions for a range of foodstuffs. The Tetra Laval Group includes Tetra Pak, DeLaval and Sidel. The company is planning to develop its own travel iphone application. For this purpose the company wants to get an overview of their employees business trips. They have randomly ME Statistikk, metode og praktisk dataanalyse Page 17 av 32
18 collected the data of 30 employees (15 males and 15 females) and also noted their business travel (international and local) expenditures over two years: 2010 and The variables are presented below: X1: Gender (1=Male. 2=Female). X2: Business trips (1=International, 2=local). X3: Travel expenditures in X4: Travel expenditures in Answer the next two questions based on the information given above. Use the SPSS dialogue boxes to answer these questions (the files are attached with each question). There is only one correct analysis for each question. ME Statistikk, metode og praktisk dataanalyse Page 18 av 32
19 28 OPPGAVE Part III: SPSS Questions 26). The company is interested to see whether there is a difference in the travel expenditure (for the year 2010) among the male and female employees. Fill out the necessary SPSS analysis dialogue box, (Test A, B, or C) that will produce statistical results relevant to the research objective. See the attached file. Fill in your answer here BESVARELSE Test A A-1=X3 A-2=X1 A-3=1 A-4=2 Denne oppgaven inneholder en PDF. Se neste side. ME Statistikk, metode og praktisk dataanalyse Page 19 av 32
20 Kandidat-ID: 8551 A- 1 Test A: Independent-Samples T Test A- 2 A- 3 A- 4 ME Statistikk, metode og praktisk dataanalyse Page 20 av 32
21 Kandidat-ID: 8551 Test B: Paired- Samples T Test B1 Test C: One- Way ANOVA test B2 C1 C2 ME Statistikk, metode og praktisk dataanalyse Page 21 av 32
22 29 OPPGAVE Part III: SPSS QuestiON 27). On the basis of some information the company can predict that the employees on average spend more during 2010 business trip compared to You are asked to check whether there is a statistical significant difference between the means of the two years. Fill out the necessary SPSS analysis dialogue box (Test A, B, or C) that will produce statistical results relevant to the research objective. See the attached file. Fill in your answer here BESVARELSE Test B B1=X3 B2=X4 Denne oppgaven inneholder en PDF. Se neste side. ME Statistikk, metode og praktisk dataanalyse Page 22 av 32
23 Kandidat-ID: 8551 A- 1 Test A: Independent-Samples T Test A- 2 A- 3 A- 4 ME Statistikk, metode og praktisk dataanalyse Page 23 av 32
24 Kandidat-ID: 8551 Test B: Paired- Samples T Test B1 Test C: One- Way ANOVA test B2 C1 C2 ME Statistikk, metode og praktisk dataanalyse Page 24 av 32
25 30 OPPGAVE Part III: SPSS Question 28). The company is curious to know whether the gender difference would influence the decision to select local or international business trip. To answer this question, researchers have conducted a Chi-Square test. Answer the following sub-questions based on the SPSS output(see attached file). 1. Identify dependent and independent variable (5 points). 2. What are the null hypothesis (H0) and the alternative hypothesis (HA) for this research problem? (5 points) 3. Based on the SPSS results, do you reject or fail to reject the H0? Explain why (5 points). Fill in your answer here BESVARELSE 1. Dependent variable: Business trips Independent variable: Gender 2. Null hypothesis (H0): The gender difference will not influence the decision to select local or international business trip Alternative hypothesis (HA): The gender difference will influence the decision to select local or international business trip 3. Based on the SPSS results we can see that there is a small differences in the gender when it comes to select local or international business trip. 46,2% of the variable male selects international compare to 53,8 for female. The sig. value is so I fail to reject the H0 Denne oppgaven inneholder en PDF. Se neste side. ME Statistikk, metode og praktisk dataanalyse Page 25 av 32
26 Gender Total male female Gender * Business trip Crosstabulation Business trip Total international local Count Expected Count % within Business trip 46.2% 52.9% 50.0% Count Expected Count % within Business trip 53.8% 47.1% 50.0% Count Expected Count % within Business trip 100.0% 100.0% 100.0% ME Statistikk, metode og praktisk dataanalyse Page 26 av 32
27 31 OPPGAVE Part III: SPSS Question 29). A science teacher wanted to investigate what was the best predictor of her students science exam score. Data was collected for ten students; this include their study time for the exam (mean hours per week, over three weeks), intelligence (measured using a standard test), hours attended in class over the last year and their examination marks for other core subjects, maths and literacy. The variables are presented below: X1: Study time. X2: Science exam score. X3: Intelligence. X4: Maths exam score. X5: Class attendance. X6: Literacy exam score. Fill out the SPSS dialogue box (29-A and 29-B) that will produce the statistical results relevant to this research objective (6 points). See the attached file. Fill in your answer here BESVARELSE 29-A= X2 29-B= X1, X3, X4, X5, X6 Denne oppgaven inneholder en PDF. Se neste side. ME Statistikk, metode og praktisk dataanalyse Page 27 av 32
28 29- A 29- B ME Statistikk, metode og praktisk dataanalyse Page 28 av 32
29 32 Part III: SPSS Question 30). Researchers conducted a multiple regression analysis to answer the research question presented in the previous question. The SPSS output for the multiple regression analysis is given. Based on the SPSS output, answer the next TRUE or FALSE questions (3 points per question). 33 OPPGAVE Part III: SPSS Question a). The multiple correlation coefficient (r=0.959) shows that the independent varaibles together account for 95.9 per cent of the changes in the dependent variable. Denne oppgaven inneholder en PDF. Se neste side. ME Statistikk, metode og praktisk dataanalyse Page 29 av 32
30 SPSS OUTPUT (QUESTION 30) ME Statistikk, metode og praktisk dataanalyse Page 30 av 32
31 34 OPPGAVE Part III: SPSS Question b). The value of F = 9.279; and p<0.05, indicate that the independent variables explain a significant amount of the changes in the dependent variable. 35 OPPGAVE New Question c). The intercept of the regression line is negative and insignificant. 36 OPPGAVE Part III: SPSS Question d). Study time and intelligence score have a significant positive effect on dependent variable. ME Statistikk, metode og praktisk dataanalyse Page 31 av 32
32 37 OPPGAVE Part III: SPSS Question e). Class attendance and literacy exam score have a significant negative effect on dependent variable. 38 OPPGAVE Part III: SPSS Question f). The co-efficient of the Maths exam score is significant (p <0.05) and indicates that when Maths exam score will increase by one unit, dependent variable will increase by OPPGAVE Part III: SPSS Question g). The tests for normality indicate that all independent variables are normally distributed. ME Statistikk, metode og praktisk dataanalyse Page 32 av 32
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