Description Advantages Disadvantages Stratified This requires one to be bias towards their data. For example‚ if you knew the proportion of pensioners in an area was 30% and you wanted to represent this in your sample you would ensure that pensioners’ answers only made up 30% of your sample. It can be used with random or systematic sampling‚ and with point‚ line or area techniques If the proportions of the sub-sets are known‚ it can generate results which are more representative of the whole population
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Nonsampling errors can occur both in a sample survey and in a census. Such errors occur because of human mistakes and not chance. The errors that occur in the collection‚ recording‚ and tabulation of data are called nonsampling errors. Nonsampling errors occur because of human mistakes and not chance. Nonsampling errors can be minimized if questions are prepared carefully and data are handled cautiously. Many types of systematic errors or biases can occur in a survey‚ including selection error‚ nonresponse
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STATISTICS WHAT IS STATISTICS? Statistics is a scientific body of knowledge that deals with the collection‚ organization or presentation‚ analysis‚ and interpretation of data. * Data are facts or a set of information or observation of the study. * Collection refers to the gathering of information or data. * Organization or presentation involves summarizing data or information in textual‚ graphical‚ or tabular forms. * Analysis involves describing the data by using statistical
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Explain sampling and its importance in daily life? Ans: Sample is a collection of few units of a large population which is the total target market. Like for a tooth paste market potential research the population is the all households in the country and sample is few households from selected cities and villages. If the market potential is to assess of a metro city than the whole city will be population and the few selected households are the sample. The each unit of the population is also regarded
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sampled or interviewed? What is the appropriate sampling method? What sampling frame will be used? What is the appropriate sampling size? How will the sample size be determined? Random sample Convenience sampling Strata Data Collection Design Which qualitative methods will be used and why? Paper and Pencil Phone Internet Email Questionnaire Design What are the instruments you will use to collect data or qualitative information? Dependent / independent Likert scale Data Collection WEEK
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Name: Date: Score: /72 INTRODUCTION TO ISOMERISM AND ALKENES EXERCISES 1. Draw the one constitutional isomer that is missing from column 1 of Model 1. (2 points) 2. Draw ten skeletal representations constitutional isomers missing from column 2 in Model 1 as you can. (Hint: Other than cyclohexane‚ there are 11 ways to draw a six-carbon backbone that contains a ring. Plus there are isomers of cyclohexane that do not contain a ring.) (10 points) 3. Are
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Assume the unit-cost data shown in the Table 1 below is for a perfectly competitive poducer: (a) At a product price of $32‚ will this firm produce in the short run? Why‚ or why not? If it does produce‚ what will be the firm’s profit-maximising or loss-minimising output? Explain. Specify the amount of economic profit or loss per unit of output. (b) Answer the questions of (a) on the assumption that product price is $41. (c) Answer the questions of (a) on the assumption that product price is
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1.1 Origin of the Report This internship report is to be prepared as a mandatory requirement for completion of BBA program at Institute of Business Administration‚ Jahangirnagar University. A student has to go through a three-month internship project which enables a student to understand and experience the real business operations of an organization. 1.2 Background of the Assessment The amount of char land varies season to season‚ year to year shaped by normally flood water‚ river erosion and
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Introduction: Advertising is a form of communication used to encourage or persuade an audience to continue or take some new action. Most commonly‚ the desired result is to drive consumer behaviour with respect to a commercial offering‚ although political & ideological advertising is also common. The purpose of advertising may also be to reassure employees or shareholders that a company is viable or successful. Advertising messages are usually paid for by sponsors and viewed via
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experiencing different problems that need to be solved for purposes of realizing better results and profits from the operations of the company. It is on this note that this paper has described the major problem experienced in the company‚ the best data and sample collection techniques and the methods that can be used to effectively know that the data collection techniques will give valid data. As such‚ if the above-mentioned elements are considered‚ then it will be very easy to carry out the study and solve
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