of population 2. If we are interested in testing whether the mean of population 1 is significantly smaller than the mean of population 2‚ the a. null hypothesis should state µ1 − µ2 < 0 b. null hypothesis should state µ1 − µ2 ≤ 0 c. alternative hypothesis should state µ1 − µ2 < 0 d. alternative hypothesis should state µ1 − µ2 > 0 ANSWER: c 2. A Type I error is committed when a. a true alternative hypothesis is not accepted b. a true null hypothesis is rejected c. the critical value is greater
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A PROJECT ON “CONSUMER SATISFACTION OF ORIFLAME’S PRODUCT IN AHMEDABAD” A Project on “Consumer Satisfaction of Oriflame’s Product in Ahmedabad” Submitted To Prof. Himali Broker MBA Department LDRP-Institute of Technology and Research‚ Gandhinagar (Affiliated to Gujarat Technological University‚ Ahmedabad PREFACE The project provides an opportunity to a student to demonstrate application of his knowledge‚ skill and competencies required during the session. Project
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along with the statistical significance. You’d like to see a narrow confidence interval where the entire range represents an effect that is meaningful in the real world. Many companies in different fields use this method and seem to have much success using it to comb thought significant amounts of data. My research has shown me that confidence intervals for the most part are misunderstood and because of that misunderstanding they are misused misinterpreted. With this method of testing I believe the
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The following report presents a detailed statistical analysis of AJ DAVIS department store customers. Data was collected from a sample of 50 AJ DAVIS credit customers for the purpose of learning more about the customers of AJ DAVIS. The first variable considered is Location‚ a categorical variable. The three subcategories are Urban‚ Suburban and Rural. The frequency distribution and pie chart are included. Measures of central tendency and descriptive statistics are not calculated due to the
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Using SPSS for Data Analysis: Support Document for SPSS Output Tables 1 OFFICE OF PLANNING‚ ASSESSMENT‚ RESEARCH AND QUALITY Using SPSS for Data Analysis: Support Document for SPSS Output Tables Prepared by: UW-Stout Office of Planning‚ Assessment‚ Research & Quality (PARQ) Tynan Heller Susan Greene Revised on 8/29/12 Prepared for: UW-Stout Campus Report distributed to: UW-Stout Campus DOCUMENT NO: BPA-900 APPROVAL: Susan Greene The user is responsible for ensuring this is the
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CHAPTER 1.0 INTRODUCTION 1.1 Introduction In this first chapter of introduction‚ there were a few of journals and articles previewed to gain and understand on ‘The Impact of Promotional Strategies on Sales Performance of Nestlé. In analyzing the introduction‚ the researcher is focusing on the following aspect such as background of study‚ problem statement‚ researcher objectives‚ researcher questions‚ significance of study and also the organization of chapters. 1.2 Problems Statement
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CHAPTER 10 HYPOTHESIS TESTING MULTIPLE CHOICE QUESTIONS In the following multiple-choice questions‚ please circle the correct answer. 1. If a researcher takes a large enough sample‚ he/she will almost always obtain: a. virtually significant results b. practically significant results c. consequentially significant results d. statistically significant results ANSWER: d 2. The null and alternative hypotheses divide all possibilities into: a. two
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Measures of central tendency are also called measures of central location because they are single values that tends to describe a given set of data by identifying their central locations.In his book introduction to statistical methods and data analysis‚ R. Ott Longnecker argues that measures of central tendency seek to describe the centre of distribution of measurements and also how the measurement vary about the centre of distribution.Central tendency measures include mean‚ mode nd median.On the
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Research types Experimental - uses independent (random‚ representative‚ etc.) vs. dependent (observed outcomes)‚ free of confounds. Make causal claims about why things happen‚ prevent bad stuff‚ promote good stuff. “experiments" Correlational - descriptive‚ observational. Does not make causal claims. “studies" Variable types (SS Stevens‚ 1946) Nominal - assign item to category; are discrete / categorical Ordinal - rank order items; are categorical‚ but often treated
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A STATISTICAL REPORT OF THE TUITION FEE OF UNIVERSITIES IN MAINLAND CHINA Nov 20th 2008 CONTENTS PAGE BACKGROUND ……………………………………………………………………………… 3 OBJECTIVES ……………………………………………………………………………… 3 METHODOLOGY ……………………………………………………………………………… 4 ANALYSIS ……………………………………………………………………………… 5 RELATIONSHIP BETWEEN THE TUITION FEE AND THE RANKING 5 RELATIONSHIP BETWEEN
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