http://www.mathsisfun.com/data/standard-normal-distribution-table.html (Z table) http://www.sjsu.edu/faculty/gerstman/StatPrimer/t-table.pdf (t table) Critical Values (Z) Level of Significance 1% 2% 4% 5% 10% Two Tailed ±2.56 ±2.32 ±2.05 ±1.96 ±1.64 Right tailed +2.32 +2.05 +1.75 +1.64 +1.28 Left tailed -2.32 -2.05 -1.75 -1.64 -1.28 Q1) A cinema hall has cold drinks fountain supplying Orange and Ditzy Colas. When the machine is turned on‚ it fills a 550ml cup with 500ml of the
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was undertaken and a low final grade point average (GPA) in compulsory school was concluded to have an association with a higher rate of hospitalization for depression in adolescence. What this study indicated was that people with depression typically had a GPA one standard deviation (SD) below average. (Jonsson et. al.) GPA is one of the determining factors of whether or not a person is eligible for graduation‚ and hiring managers may look at GPA because at a quick glance‚ they can see how well someone
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THE EFFECT OF STUDENT ELECTIONS ON THE ACADEMIC PERFORMANCE INTRODUCTION “A 10% failure rate in Lebanese universities! What happened?” wrote the famous editor and write Khalil Hanna in one of the newspapers. He continued his piece talking about the elections in the universities. One can’t but ask those questions: Should university heads allow such event on campus? Are students benefiting from their university’s educational experience‚ or are they investing their time in preparations for
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Banquet Facilities Most facilities have in-house event-planning professionals to assist clients in identifying the “look and feel” of an event and to take care of many of the details associated with hosting an event. Listed below are the primary decisions that event planners help clients make: Industry Overview Banquet facilities -- also called “event sites” -- and related services are found in several different types of food service operations: Event-Planning Activities • Concept or theme.
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Correlation Research Method PS300-02 Research Methods I Kaplan University Laura Owens February 12th‚ 2012 As we read this essay‚ we should get a better understanding of when it is appropriate to use the correlational research method; supplying an example that illustrates the use of correlational method‚ from a credible
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correlational study. A correlation is a shared relationship or connection between two or more things. A correlation can be either positive‚ negative‚ or zero. A positive correlation is when factors or variables moves directly of each other‚ meaning if one variable goes down‚ the other will as well and vice versa. A negative correlation is when factors or variables move inversely of each other‚ meaning if one variable goes up‚ then the other will go down and vice versa. When a correlation is zero‚ it means
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RESEARCH METHODS FOR POSTGRADUATE STUDY NV4602 Data Analysis: Exploring Relationships Ethical Use of Data Descriptive Statistics Last session review Descriptive Statistics “The sample consisted of 300 company employees (52% male‚ 48% female)‚ ranging in age from 21 to 52 years (mean = 30 years‚ standard deviation = 5 years).” (H.L.‚ 2013‚ p.24) lbic.navitas.com navitas.com Descriptive Statistics “The sample consisted of 300 company employees (52% male‚ 48% female)‚ ranging in age from 21
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their children who get higher grade being compared to lower grades students who don’t get all straight A during high school and college years. So‚ parents and teachers should not place unrealistic expectation on high school students to achieve a high GPA‚ which contributes to stress disorder‚ health problems‚ and a propensity to cheat on assignment. First‚ stress can be a problem that affects everyone; especially students have issues in school‚ meaning they have to get high grades to be an
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The Spearman Correlation Coefficient remains one of the most important nonparametric measures of statistical dependence between two variables. The Spearman Correlation Coefficient facilitates the assessment of two variables using a monotonic function. This representation is only possible if the variables are perfect monotones of each other and if there are no repeated data values. This enables one to obtain a perfect Spearman correlation of either +1 or -1. The Spearman correlation coefficient nonparametric
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SPEARMAN’S RANK CORRELATION BY NILOY MAJUMDAR Table of Contents 1. INTRODUCTION 2. BIVARIATE DATA 3. ASSOCIATION AND CORRELATION 4. DEFINITION AND CALCULATION 5. RELATED QUANTITIES 6. INTERPRETATION 7. EXAMPLE 8. PEARSON’S PRODUCT-MOMENT CORRELATION COEFFICIENT 9. DETERMINING SIGNIFICANCE 10. CORRESPONDENCE ANALYSIS BASED ON SPEARMAN’S rho 11. REFERENCES 1. Introduction Rank correlation is used quite
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