Descriptive Statistics Carlos Duran QNT/561 April 28‚ 2015 Steven Marantz Descriptive Statistics Sales (in USD) Central Tendency: Mean = 42.824 dollars Dispersion: Standard Deviation = 9.073 dollars Number: 100 Min/Max: MIN IS $23.00; MAX IS $64.00 Confidence Interval: $1.06 to $44.62 The histogram is present in appendix A; the descriptive statistics are present in appendix B. Age Distribution: State if not normally distributed Central Tendency: Median = 35 years Dispersion:
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The five major variables of project management are essential in pretty much every project. Time which would is the amount of time required to complete the project. Typically it is broken down into the time required to complete the components of the project. This is then broken down into the time required to complete each task contributing to the completion of the project. Then there is cost which will typically be determined by the consultant or contractors hourly rate multiplied by an estimated
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most common used method of describing central tendency and can be used for all data. The Median is the score found at the exact middle of the set of values. The mode is the most frequently occurring value in the set of scores (Lind‚ Marchal‚ Wathem‚ 2005). Understanding how the data is dispersed is essential in interpreting the measures of central tendencies. Without the measure of dispersion the central tendencies could be very misleading. The measure of dispersion will describe the spread of
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Descriptive and Inferential Statistics Paper PSY 315 Descriptive and Inferential Statistics Whether doing original research or conducting literature reviews‚ one must conclude what a powerful and versatile tool statistics are in the hands of researchers. From basic statistics such as data description‚ to using complex statistical methods to foresee future patterns or strengthen scientific claims about current climates‚ the role of statistics in research cannot be taken lightly and is essential
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Definition Statistics - science of collecting‚ organizing‚ summarizing and analyzing information to draw conclusion or answer questions. - Provides a measure of confidence in any conclusion Population - the collection of all of the people or objects that one considers Individual - a single person of object of the population Sample - a subject of the population (a group of individual of the population) Descriptive statistics - describes data through numerical summaries
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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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Interpreting Descriptive Statistics Lutricia Hunter Capella University MBA6018: Data Analysis for Business Decisions January 18‚ 2015 Unit 1: Assignment 1 For this practical application assignment‚ make believe that you are a real estate agent living and working in southern Florida. The senior real estate partner of your firm e-mails you a document containing Florida pool home data‚ which you’ve retrieved from the Updates and Handouts section of this unit‚ and asks you to find ways describe the most
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In your own words‚ describe each of the five basic dispositional traits. Then‚ select one of the adjective pairs listed in the table for each of the five trait categories in Table 1.2 on p. 7 of the text and describe where you think your personality falls in the spectrum of each adjective pair. For example: Extraversion: Talkative - Quiet; I am generally more talkative than I am quiet. I favor the talkative end of the spectrum. When I am at work‚ however‚ I tend to be quieter. Agreeableness (A)
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Descriptive Statistic Article Critique Liza Fisher PSY325/ Statistics for the Behavioral & Social Sciences Instructor: Thomas King May 23‚ 2015 Descriptive Statistic Article Critique The author was trying to say that men who consume an enormous amount of alcohol every day and who is stable socially do not have a different personality‚ than those men who are socially stable and do not drink alcohol. In this article the hypothesis is that individual males who consume a great deal of
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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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