award: 8.33 out of 16.66 points For the following questions‚ would you collect information using a sample or a population? | (a) | To calculate the percentage of car owners in New York City | | | | Population | (b) | To know how many different private airlines provide service in the United States | | | | Sample | (c) | To estimate weekly earnings of computer programmers in United States | | | | Sample | (d) | To find the marks of a class
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Descriptive statistics information Descriptive statistics organize‚ summarize‚ and communicate a group of numerical observations and describe large amounts of data in a single number or in just a few numbers Inferential statistics Use samples to draw conclusions about a population Inferential statistical use sample data to make general estimates about the larger population‚ and infer or make an intelligence guess about‚ the population Sample: a set of observations drawn from the population
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Valerie Simmons Math533 Dr. Mark Beintema July 22‚ 2012 Course Project PART A The report below represents the detailed statistical analysis of the data collected from a sample of credit customers in the department chain store AJ DAVIS. The 1st individual variable is LOCATION which is a categorical variable. The three subcategories are Urban‚ Suburban and Rural. Since Location is a categorical variable‚ the measures of central tendency have not been calculated for this variable. The frequency
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Why do criminals commit another offence after being punished? Our world is full of different kinds of criminal people. The main question what stand before the present community is: Why so often laws are broken by citizens? Every person who behave so‚ has his/her own purposes and causes. It is rational to hope that after punishing person will never commit the crime. That he understood all his mistakes which were made in the past. However‚ frequently it is not so. Why do criminals prefer to go
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Location Location Income ($1000) Size Years Credit Balance($) Urban 1 54 3 12 4016 Rural 3 30 2 12 3159 Suburban 2 32 4 17 5100 Suburban 2 50 5 14 4742 Rural 3 31 2 4 1864 Urban 1 55 2 9 4070 Rural 3 37 1 20 2731 Urban 1 40 2 7 3348 Suburban 2 66 4 10 4764 Urban 1 51 3 16 4110 Urban 1 25 3 11 4208 Urban 1 48 4 16 4219 Rural 3 27 1 19 2477 Rural 3 33 2 12 2514 Urban 1 65 3 12 4214 Suburban 2 63 4 13 4965 Urban 1 42 6 15 4412 Urban 1 21 2 18 2448 Rural 3 44 1 7 2995 Urban 1 37 5
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1. For each of the following (a through d)‚ indicate which is a variable and which is a constant: a. The number of minutes in an hour. Constant b. Patients’ systolic blood pressure Variable c. Pi (π) – e.g.‚ for finding the circumference of a circle Constant d. College students’ level of depression Variable 2. For each of the following research questions‚ identify the independent variable and the dependent variable within each case (a through e): Does a person’s age affect psychological
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Basics of Statistics Jarkko Isotalo 30 20 10 Std. Dev = 486.32 Mean = 3553.8 N = 120.00 0 2400.0 2800.0 2600.0 3200.0 3000.0 3600.0 3400.0 4000.0 3800.0 4400.0 4200.0 4800.0 4600.0 5000.0 Birthweights of children during years 1965-69 Time to Accelerate from 0 to 60 mph (sec) 30 20 10 0 0 Horsepower 100 200 300 1 Preface These lecture notes have been used at Basics of Statistics course held in University
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explanation‚ and prediction and control research studies use two different categories of statistics to analyze the data collected: descriptive and inferential. Descriptive statistics are simply numerical or graphical summaries of data‚ and may include charts‚ graphs‚ and simple summary statistics such as means and standard deviations to describe characteristics of a population
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Constitutional Principles on the Rights of the Child • Article 38B of the Constitution provides for a very important principle regarding children - the best interest of the child is to be the primary consideration in relation to all matters involving children. So your best interests are what is to be the guide for your upbringing and development. • Article 38C of the Constitution also provides that where a child is to be adopted‚ the best interest of the child must be taken into
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Compoundable and Non Compoundable Offences - Some offences largely affect only the victim and no considerable harm is considered to be done to the society. In such offences‚ if the offender and victim compromise‚ there is no need to waste court’s time in conducting a trial. The process of reaching a compromise is called Compounding. Conceptually‚ such offences‚ in which a compromise can be done and a trial can be avoided‚ are called Compoundable offence. Rest of the offences are non-compoundable
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