1. A radio station that plays classical music has a “By Request” program each Saturday night. The percentage of requests for composers on a particular night are listed below: Composers Percentage of Requests Bach 5 Beethoven 26 Brahms 9 Dvorak 2 Mendelssohn 3 Mozart 21 Schubert 12 Schumann 7 Tchaikovsky 14 Wagner 1 a. Does the data listed above comprise a valid probability distribution? Explain.
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2v/2 (v/2) y2 > 0 ; (α + β) y α−1 (1 − y)β−1 ; (α) (β) 0<y<1 MomentGenerating Function Mean Variance θ1 + θ2 2 (θ2 − θ1 )2 12 µ σ2 β β2 (1 − βt)−1 αβ αβ 2 (1 − βt)−α v 2v (1−2t)−v/2 α α+β αβ (α + β)2 (α + β + 1) does not exist in closed form etθ2 − etθ1 t (θ2 − θ1 ) exp µt + t 2σ 2 2 Discrete Distributions Distribution Binomial Probability Function p(y) = n y p y (1 − p)n−y ; Mean Variance MomentGenerating Function np np(1 − p) [ pet + (1 − p)]n 1 p 1− p pet 1
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Epidemiological Rationale for Topic: Sexual risk behaviors place adolescents at risk for HIV infection‚ other sexually transmitted diseases (STDs)‚ and unintended pregnancy among U.S. school surveyed in 2011 from the Center of Diseases Control (CDC‚2011). An estimated 8‚300 young people aged 13–24 years in the 40 states reporting to CDC had HIV infection in 2009.Nearly half of the 19 million new STDs ( Sexually Transmitted Diseases) each year are among young people aged 15–24 years. More than 400
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I. INTRODUCTION II. A. Collection of Data We encounter some difficulties upon choosing our topic; because of we have to limit our ideas and to consider the topics of the other researchers. We have to consult our selected ideas to our professor first before doing such steps like making questionnaire‚ choosing our respondents etc. When our professor approved our topic‚ we started making forms that to be answered by our respondents. The respondents‚ which are freshmen‚ stated their answers
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WaypointHR WaypointHR is an Open Source human database. It provides organizations with a free‚ immediate and flexible Human Resource Management System (HRIS). WaypointHR is software that: * Fully editable employee records * Retain similar information on all employees * Create company records on staff data * Instant search facility for employees by name * View historical employee data * Create company report on staff data * Provide comprehensive employee
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Garima Agrawal (Section D) (Student name or group name) Group Member Name | PG ID | Garima Agrawal | 61410506 | Question1: The data for home values has a considerable wide range (429578) as compared to the inter-quartile range (93522). This means the data has a huge spread and the same can be verified from coefficient of variation which is even more than 41%. Besides‚ as can be seen from graphical plot and the positive skewness (0.87) measure‚ the data is skewed towards right. Also‚ the outliers
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No: 01234 5678910 Next of Kin: Mrs Levenhulme Referral reason: Rheumatoid Arthritis‚ Depression & elderly Medication: Acelofenac & Nortriptyline Physiological Information Blood Pressure (seated): 122/82 mmHG Resting Heart Rate: 64 bpm Predicted VO2max: 24 ml/kg/min Present physical activity: Very low‚ essentially sedentary Patient’s statement regarding state of change: “I want to exercise‚ and I think I can do it‚ but I will need some support” (Preparation) Medical conditions
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also dependent when scores used in the analysis are obtained from the same subjects under different conditions‚ such as pretest and posttest study design. In this type of design‚ a single group of subjects is exposed to pretest‚ treatment‚ and posttest. Subjects are referred to as serving as their own control during the pretest that is then compared with the posttest scores following the treatment. This is a weak quasi-experimental design since it is difficult to determine the effects of a treatment
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While Statistics can also be misused in many ways such as using not representative samples‚ small sample size‚ ambiguous averages and dispersions‚ detached facts‚ implied connections‚ wrong and misleading graphs‚ wrong use of statistical techniques‚ serious violation of assumption behind the statistical techniques and faculty surveys‚ we should also realize that Statistical literacy is not a skill that is widely accepted as necessary in education. Therefore a lot of misuse of statistics
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during the period of withdrawal how exercise can regulate your mood? no doubt we all believe that exercise is a magical key to lead a long and healthy life. Exercise has several benefits on our mind and body. By doing exercise regularly‚ the can stay away from a lot of body ailments which are a must with the advancing age. For seniors following an exercise routine is the ideal way to enhance their energy level and is stay fit. This is common that with advancing age we become less active. Lack of
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