Statistics Cheat Sheet Proportion = Frequency x 100 = Percentage Total No | Z score (standardised value)-how many sds from the mean the value liesZ score = data value – mean Standard deviation | Metric Data = ExploreCategory = Frequencies | Bigger sample size will give a narrower confidence interval range (more specific) outliers affect the mean but not the median – this is why the median is preferred here.mean | | Reports -Only give confidence
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Southwestern University Cebu City Graduate School of Health Science‚ Management and Pedagogy Statistical Methods (EDUC 201) ACTIVITY 4 HYPOTHESIS-TESTING Instruction: Apply the five steps of hypothesis-testing procedure to each problem below. 1. A researcher conducted an experiment to determine the effect of a lecturer’s age on student preferences to hear him lecture. In a regular classroom situation‚ 20 students were told that the administration wished to know their preferences regarding
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DRAVIDIAN UNIVERSITY SRINIVASAVANAM‚ KUPPAM – 517 425‚ SCHOOL OF DISTANCE & CONTINUING EDUCATION ADMISSION NOTIFICATION FOR THE YEAR 2011-2012 The SDCE invites applications for the following courses under Regular UG & PG Courses and Open University System (OUS) UG courses for the qualified candidates‚ for the Academic year 2011-12. I. OPEN UNIVERSITY SYSTEM: (OUS) B.A/ B.Com(General)/ Eligibility: 1) 18 years of age as on 01.10.2011 ; 2) A pass in the Eligibility test of 10+2 standard; Last Date
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Extra Exercise: Estimation and Hypothesis Testing 1. The length (in millimetres) of a batch of 9 screws was selected at random from a large consignment and found to have the following information. 8.02 8.00 8.01 8.01 7.99 8.00 7.99 8.03 8.01 Construct a 95% confidence interval to estimate the true average length of the screws for the whole consignment. From a second large consignment‚ another 16 screws are selected at random and their mean and standard deviation found to be
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1)What segmentation base has Red Bull adopted to target consumers? How should Red Bull further segment the market in the future? When marketers begin instigate their strategy they will begin by selecting a marketing base at which they will aim their strategy. The Bases can be broken into four segments on the basis of two criteria: 1- Facts‚ which can be determined by a single objective or cognitions that are more abstract 2-Consumer rooted features relating to consumers physical‚ social and
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NOISE CONTROL OF TWO STROKE PETROL ENGINE USING AQUA SILENCER SYNOPSIS Air pollution is most important from the public health point of view‚ because every individual person breathes approximately 22000 times a day‚ inhaling about 15 to 22 Kg of air daily. Polluted air causes physical ill effect decides undesirable aesthetic and physiological effects. Air pollution can be defined as addition to our atmosphere of any material‚ which will have a deterious effect on life upon our planet. The main pollutants contribute
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BUSINESS AND MANAGEMENT SL (IA) Commentary on: “Should Faaso’s chain of restaurants adapt to the Franchise system to increase their efficiency? “ Contents Page Contents Page No. Introduction Section – 1: SWOT Analysis Section – 2: Introduction FAASO’s is primarily an Indian fast food chain of restaurants that sells ethnic ‘Wraps’. One of the very few in its segment‚ this chain started off with an independent store in Pune in 2004
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Similarities & Differences between McDonald’s and Subway When you think about a fast food restaurant you think about something quick to eat so you can carry on with your day. A fast food restaurant is much more than that. In this essay I will be looking at McDonald’s and Subway. Although McDonald’s and Subway are both fast food restaurant chains‚ the nutrition received from the two menus is different. McDonald’s and Subways are both well known fast food chains in the United States. When
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Business Problem Proposal Abstract Amed Lopez Construction started on June 15‚ 2005. This construction company has grown from a residential small job company to a business small job construction company. Amed Lopez Construction has grown incredibly in the last few months that it cannot continue with the same structure and administration. The company is at a stage where it needs to restructure to continue its growth successfully and expand its horizons. Profits in any company are the base of
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between both the respondent and the one giving the questionnaire. The personal interview would also cost extra for having a place for the survey for the one-on-one interview and the person giving the survey. 2. A poll of students at Metro University on their preferences among three candidates who are running for president of the student government. A self-administered questionnaire is the survey I would choose for this situation. A self-administered questionnaire would give
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