“Hypothesis testing is one of the fundamental concepts in both scientific research and business decision-making. It involves establishing a hypothesis (or guess!) about the outcome of an event or experiment and then gathering evidence (data) to make a decision on whether the hypothesis should be accepted or rejected” (Colorado Technical University Online, 2010a). Null Hypothesis – H0 “The null hypothesis is the statement being tested. Often, the null hypothesis is a statement of ‘no difference’
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General Lectures 1-4 What is statistics? Discipline: collecting, classifying, summarizing, organizing, analyzing and interpreting numerical information. -A means to answer research questions (and to test hypothesis). -No scientific proof: make plausible through empirical data with an empirical observed result. Shape and skewness: Negatively skewed: mean < median Symmetry: mean = median Positively skewed: mean > median Mode = the score that occurs most frequently. Median = middle score when
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Article 1 Title of Journal Article: Testing for the Weak-Form Market Efficiency of the Dar es Salaam Stock Exchange DETAILS:- Author(s)- Year- Name of Journal- Volume- Issue- Page number | Authors : Yilmaz Guney - University of Hull, Gabriel Vitus Komba - Mzumbe University, School of BusinessDate: October 21, 2015. | - RESEARCH OBJECTIVES(s)-RESEARCH QUESTION(s) | This study investigates into the weak-form efficiency of the Dar es Salaam stock exchange (DSE), a frontier market, in Tanzania
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will involve analyzing YouTube’s view rates for each artist’s hit song for the current year. The independent variable in the research is the gender of the artist and the dependent variable is the number of YouTube views. The team will take a random sample of male and female artists. The team realizes that the variables of male versus female country artists may give the record label an overall view for that genre of music videos being viewed. Research Question Is the difference in the number
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INTRODUCTION Welcome to Research Rundowns, a blog intended to simplify research methods in educational settings. I hope this site can serve as a quick, practical, and more importantly, relevant resource on how to read, conduct, and write research. The contents are an expansion and revision of my class materials, intended for use as a refresher or as a free introductory research methods course. Topics are organized into five main sections, with subsections (in parentheses): * Introduction (INTRO)–a
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in business decision making. 1. When TV advertisements report, "2 out of 3 dentists surveyed indicated they would recommend Brand X toothpaste to their patients," an informed consumer may question the conclusion because a. the sample was only 5 dentists b. the sample of dentists is clearly explained c. the advertisement does not include the total number of dentists surveyed d. the conclusion is not illustrated with a graph 2. A marketing class of 50 students evaluated the instructor using
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Mini Research On Size of organization and its influence on adopting centralization in Nepalese Banks Submitted to: Prof. Subas KC Course Instructor, Organizational Theory Submitted by: Dipendra Karki (Roll No. 11605) Ganesh Bhattarai (Roll No. 11606) Pramila Ojha (Roll No. 11611) MPhil - II Term, Fall 2011, KUSOM June, 2012 Kathmandu, Nepal 1. Introduction Being one
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sier!™ ing Everything Ea Mak ta t i s t i c s S e nt ia l s Ess Learn: • Exactly what you need to know about statistical ideas and techniques • The “must-know” formulas and calculations • Core topics in quick, focused lessons Deborah Rumsey, PhD Auxiliary Professor and Statistics Education Specialist, The Ohio State University Statistics Essentials FOR DUMmIES ‰ by Deborah Rumsey, PhD Statistics Essentials For Dummies® Published by Wiley Publishing, Inc. 111 River St
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Probability and statistics are two related but separate academic disciplines. Statistical analysis often uses probability distributions, and the two topics are often studied together. However, probability theory contains much that is of mostly of mathematical interest and not directly relevant to statistics. Moreover, many topics in statistics are independent of probability theory. Probability (or likelihood) is a measure or estimation of how likely it is that something will happen or that a statement
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Do more than 50% of the population of both European Union countries and G-20 countries live past the age of 60? In answering the research question, µ = life expectancy in European Union and G-20 Countries. The verbal null hypothesis is stated as: more than 50% of the population of European Union and G-20 countries live to the age of 60. The numerical null hypothesis is stated as: µ ≥ 50%. The verbal alternate hypothesis is stated as: less than 50% of the population of European Union and G-20 countries
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