HOMEWORK 2 FROM CHAPTER 6 and 7‚ NORMAL DISTRIBUTION AND SAMPLING Instructor: Asiye Aydilek PART 1- Multiple Choice Questions ____ 1. For the standard normal probability distribution‚ the area to the left of the mean is a. –0.5 c. any value between 0 to 1 b. 0.5 d. 1 Answer: B The total area under the curve is 1. The area on the left is the half of 1 which is 0.5. ____ 2. Which of the following is not a characteristic of the normal probability distribution? a. The mean and median
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and republican parties that answer the questions and hold the microphone. These are a prime example of the focus group. I also learned during the seminar that quantitative is administered using close ended questions in a given survey‚ relies on random sampling‚ observes and records well-defined events‚ and obtains relevant data from management information systems. The seminar this week was excellent because data collection is the most important thing for everyone in this class over the next three weeks
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did group one use? a. Ordinal b. Interval c. T-test d. Chi square 3. What kind of sampling method was used in group one’s study? a. Convenience b. Random c. Accidental d. Quota 1)What is a type of nonprobability sampling procedure that involves the selection of the most readily available people or objects for a study? a. convenience sampling b.quota sampling c.snowball sampling d. judgemental sampling 2)What type of scale contains five or seven responses for each item‚ ranging from "strongly
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CASE 7 – QUALITY ASSOCIATES INC. BACKGROUND (CASE STUDY WRITE UP) Quality Associates‚ Inc. is a consulting firm who advises its clients about statistical and sampling methods that can be used to control their manufacturing procedures. In this particular case we consider a production line designed to fill bottles of a shampoo with a mean weight of 12 ounces of shampoo per bottle. Quality Associates‚ Inc. made a quality control testing of the manufacturing machine of this client (Alibaba Machinery)
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Variables - any factor that can change in amount or kind over time. Eg age‚ time‚ IQ‚ memory etc An experiment tests the cause-effect relationship between variables Independent variable – the variable that is systematically manipulated‚ changed or varied in some way by the experimenter‚ in order to assess its effect on participant’s responses (DV) Dependent variable – the variable that the experimenter is measuring‚ shows any effects of the IV It is called the DV because whether or not it will
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-Definition of Marketing Research: Marketing research is the systematic and objective‚ identification‚ collection‚ analysis‚ dissemination‚ and use of information for the purpose of improving decision making related to the identification and solution of problems and opportunities in marketing -Classification of Marketing Research Problem Identification Research: Research undertaken to help identify problems which are not necessarily apparent on the surface and yet exist or are likely to arise in
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RESEARCH Research is defined as the creation of new knowledge and/or the use of existing knowledge in a new and creative way so as to generate new concepts‚ methodologies and understandings. This could include synthesis and analysis of previous research to the extent that it leads to new and creative outcomes. This definition of research is consistent with a broad notion of research and experimental development (R&D) as comprising of creative work undertaken on a systematic basis in order to
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Methodology This chapter presents the research design of the study‚ the subjects and the area of the study‚ sampling method‚ data needed‚ the research instrument‚ procedures for data gathering‚ procedures for data analysis and logistics‚ schedule and budgetary requirements. Research Design The study made use of Descriptive Analysis in determining the attitudes of student smokers to selected Caloocan City student smokers. Descriptive analysis was appropriate for the researchers’ study which discovered
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Simply put‚ methodology refers to how each of logic‚ reality‚ values and what counts as knowledge inform research. On the other hand‚ methods are the techniques and procedures followed to conduct research‚ and are determined by the methodology (i.e. sampling‚ data collection‚ data analysis and results reporting‚ as well as theories‚ conceptual frameworks‚ taxonomies and models). Even the focus and intent of the research‚ and the actual research questions themselves‚ are shaped by the methodology (McGregor
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CHAPTER 3 Research methodology 3.1 INTRODUCTION This chapter deals with the research methodology of the study‚ including the research design‚ setting‚ population‚ sample and data-collection instrument. 3.2 RESEARCH DESIGN Polit and Hungler (1999:155) describe the research design as a blueprint‚ or outline‚ for conducting the study in such a way that maximum control will be exercised over factors that could interfere with the validity of the research results. The research design
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