Assumptions and Conditions for using Statistical Tests Bright Eugene Imo State University‚ Owerri ABSTRACT All statistical procedures have underlying assumptions‚ some more stringent than others. In some cases‚ violation of these assumptions will not change substantive research conclusions. In other cases‚ violation of assumptions will undermine meaningful research. Establishing that one’s data meet the assumptions of the procedure one is using in an expected component of all quantitatively
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Improve‚ Control (DMAIC) Process"1 Six Sigma – DEFINE process includes: • Define the project: purpose‚ scope‚ and resources in the charter • Develop the SIPOC (Suppliers-Inputs-Process-Outputs-Customers) map to understand the process • Determine project goals the fit customer needs (Voice of the Customer) Six Sigma – MEASURE process includes: • Collect baseline data on suspected problem • Plot the data in time order • Use Pareto charts to pinpoint occurrence • Calculate process sigma
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CHAPTER 4 – THE BASIS OF STATISTICAL TESTING * samples and populations * population – everyone in a specified target group rather than a specific region * sample – a selection of individuals from the population * sampling * simple random sampling – identify all the people in the target population and then randomly select the number that you need for your research * extremely difficult‚ time-consuming‚ expensive * cluster sampling – identify
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THE COST AND SALES CONCEPT Cost is defined as a reduction in the value of an asset for the purpose of securing benefit or gain. Cost is defined in a hotel and restaurant as the expense to a hotel or restaurant for goods or services when the goods are consumed or the services are rendered. KINDS OF COSTS 1. Fixed costs – are those that are normally unaffected by changes in sales volume. They are said to have little direct relationship to the business volume because they do not change
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Quality control paper Quality control is a critical concept in every industry and profession. The survival of your job and of your company depends on your ability to produce a quality product or service. For most people‚ quality is associated with the idea of a product or service that’s well done‚ looks good‚ and does its job well. Quality product is one that lasts‚ holds up well under use‚ and doesn’t require constant repair. A quality product or service should meet a high standard in many areas
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information to a) Shareholders b) Board Of Directors c) Tax Authorities d) All Of these. 2) According to the Money Measurement concept‚the following will be recorded in the books of accounts a) Quality Control in Business b) Commission Payable to salesmen c) Extra profits made due to introduction of Budgetory Control System d) All of these. 3) A provision is a a) General Reserve b) pecific Reserve c) Capital Reserve d) None of these. 4) Market value of Investments is shown as a Footnote to Balancesheet as
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Statistical Techniques for Handling Missing Data Dr. John M. Cavendish 4 Part a1 Data were collected from 430 undergraduate college students for the purpose of examining the relationship between student personality characteristics and their preference for personality styles in their lecturers. Table 1 below presents a summary of the data collected. Of the 430 subjects for whom data was attempted‚ with 5 subjects providing no data‚ Of the 425 subjects included in data analysis‚ 307 were female
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The process of a flu vaccine Have you ever gotten a flu shot before? The moment you walk in the doctor’s office and sit on the table. Just waiting for the doctor to come in makes you have even more anxiety. Then the doctor comes thru the door with the tiniest needle‚ that needle has a vaccine that will be injected into your arm to help kill off the flu virus. I’ve always wondered why we needed to get vaccines for different kinds of illnesses. I’ve also wondered what it takes to make a flu vaccine
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INTRODUCTION Recruitment and selection: Recruitment and selection are two of the most important functions of personnel management. recruitment precedes selection and helps in selecting a right candidate. recruitment is a process to discover the sources of manpower to meet the requirement of the staging schedule and to employ measures for attracting that manpower in adequate to facilitate effective select of efficient personnel. Staffing is one basic function of management. All managers have responsibility
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Statistical Analysis Paper Montoya Williams BSHS/435 September 11‚ 2014 Tamara White Summary of Research The article was a cross- sectional‚ non- experimental case study of social worker’s perceptions of bullies at the workplace and the social worker’s ability to create coping responses to workplace bullying. To collect quantitative information a mail questionnaire was gathered‚ and individuals’ semi-structured interviews were assessed. The qualitative sample included 111 male and female social worker’s
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