Differences and similarities between prescriptive and descriptive strategies Similarities There is a strong similarity to descriptive and prescriptive strategies. As the definition reads; descriptive: “what is usually done” or prescriptive: “what can be done most realistically” could end up being the same outcome on many occasions. The definitions even make sense when put together. What is usually done is most likely what can be done most realistically. However‚ when studied in more depth
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Data Analysis Descriptive Statistics‚ Estimation‚ Regression & Correlation Treatment Effects of a Drug on Cognitive Functioning in Children with Mental Retardation and ADHD Hossam Elhowary MATH-1016-15 Dr. Maria DeLucia December 09‚ 2014 Introduction The purpose of this survey was to investigate the cognitive effects of stimulant medication in children with mental retardation and Attention-Deficit/Hyperactivity Disorder. Twenty four children were given various dosage of a drug a placebo and
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Chapter 4 Descriptive Statistics Upload the completed assignment using the file extension format Lastname_Firstname_Week3.doc. Assignment (32 points due by 11 pm October 14th) 1) The file ‘FastFood’ contains the amount that a sample of nine customers spent for lunch (in $) at a fast food restaurant. a) Compute the mean and the median. b) Compute the variance‚ standard deviation‚ range‚ and co-efficient of variation. c) Are the data skewed? If so‚ how? 2) The file ‘ChocolateChip’
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Name: Bin Date: Frequency 1 2 2 1 Directions: Answer all problems and submit to instructor at the end of module 1 3 6 4 7 5 4 6 4 7 1 8 1 More 0 Q1 Descriptive Statistics Excel Worksheet b Q2 d Q3 e Q4 b 5. For the following sample of scores: 2‚ 6‚ 1‚ 4‚ 2‚ 2‚ 4‚ 3‚ 2 Mean variance standard deviation 2.889 2.099 1.537 Find the mean‚ variance and standard deviation 6. A sample of size 7 (n = 7) has a mean of M = 9. One of the sample scores is changed from x
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Today What is Linguistics? Descriptive vs. Prescriptive rules/grammars Linguistic competence vs. performance Readings: 1.2-1.3 LING 200 -- McGarrity 1 What is Linguistics? The scientific study and analysis of human language. LING 200 -- McGarrity 2 Core Subfields Phonetics: the study of the physical properties of speech sounds (acoustic phonetics) and how they are made (articulatory phonetics) e.g.‚ Park the car in Harvard yard. [p k k n h v d j d] [p a k d k a n ha v d ja d
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Descriptive Statistics QNT/561 July 29‚ 2014 Descriptive Statistics Job Satisfaction Central Tendency: Mean=8.5 JDI Dispersion: Standard Deviation=1.16 JDI Number: 139 Min/Max: 7 to 10 JDI Confidence Interval: 8.36 to 8.75 JDI *JDI=Job Descriptive Index Months of Employment Central Tendency: Mean= 136.24 Months Dispersion: Standard Deviation= 117.26 Months Number: 139 Min/Max: 1 to 359 Months Confidence Interval: 116.74 to 155.73 Months Descriptive
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Descripitive Statistics Paper Descriptive Statistics Paper Laura L. Mason‚ Becky Matlock‚ and Nichole Noble RES/341 June 15‚ 2011 David Morrisson Descriptive Statistics Paper Major League Baseball is known as America’s favorite pastime‚ and MLB teams spend an extensive amount of money in the excess of a billion dollars with the ultimate goal to win the World Series. This learning team’s focus throughout this descriptive statistics paper is the MLB players’ performances‚ salaries‚ salary
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Lecture Notes on Introductory Statistics‚ I (P.P. Leung) Lecture notes are based on the following textbook: N.A. Weiss (2012)‚ Introductory Statistics‚ 9th edition‚ Pearson. Chapter 1 The Nature of Statistics 統計本質 §1.1 Two kinds of Statistics §1.4 Other Sampling Designs (其他抽樣方法) Chapter 1 The Nature of Statistics 統計本質 What is Statistics? 何謂統計? From Wikipedia‚ the free encyclopaedia: Statistics is a mathematical science pertaining to the collection‚ analysis‚ interpretation
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Edayan QNT/351 May 3‚ 2013 Rich Haller Statistics in Business Statistics is a way of gathering‚ analyzing‚ interpreting and presenting data so that it becomes more meaningful. It helps convert raw data into useful information. Statistics is therefore a collection of information. Statistics can be presented in graphical form to make it more appealing and easily understandable by the users. Statistics can be descriptive or inferential. Descriptive statistics have to do with methods in a data set that
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chapter 2 Chapter 2 Descriptive Statistics: Tabular and Graphical Presentations Learning Objectives 1. Learn how to construct and interpret summarization procedures for qualitative data such as : frequency and relative frequency distributions‚ bar graphs and pie charts. 2. Learn how to construct and interpret tabular summarization procedures for quantitative data such as: frequency and relative frequency distributions‚ cumulative frequency and cumulative
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