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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[pic] BUQU 1230 Assignment #1 Solve the following 3 problems: 1- Consider the data set for the sample of 10 minisystems that is posted on the course web site. Open the Excel “Minisystems” file and answer the following questions: a. What are the elements in this study? How many elements are in the data set? Brand & Model b. How many variables are in the data set? 5 Variables (Price‚ Sound Quality‚ CD Capacity‚ FM Tuning‚ and Tape Decks) c. Which of
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Exercise 1 (10 points) Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follows: # of movies Frequency Relative Frequency Cumulative Relative Frequency 0 5 0.2 0.2=0.2 1 9 0.36 0.2+0.36=0.56 2 6 0.24 0.56+0.24=0.8 3 4 0.16 0.8+0.16=0.96 4 1 0.04 0.96+0.04=1 Table 1.1 (Hint: This is a frequency table. Read the section in the textbook!) a. Find the sample mean x ANSWER = 1.48 b. Find the
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(Angelou‚ M.) and the oppression in “Life Under the Chief Doublespeak officer” (Lutz‚ W.) which he shows with the firing of people. Oppression whether by a slaves masters or by the leaders of major corporations‚
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Criminal Trespass and Criminal Mischief What is criminal trespassing and criminal mischief? They both are offences done intentionally‚ recklessly‚ and with negligence. Criminal trespass is going into a building by subterfuge or surreptitiously remaining in the building. Criminal mischief is damaging tangible property of another in a reckless or unknowing manner with fire‚ explosives‚ etc. Criminal trespass is going in to a building by subterfuge or surreptitiously remaining in the building
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Tutorial 3 Question 1 a) A company wishes to review its distribution operation and from its time sheet records it found that 144 vehicles were loaded in a 24 hour period. A frequency distribution table was prepared from the data as follows: Time to load (minutes) Number of vehicles 40 up to 50 17 50 up to 60 61
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Analytical tool An analytical tool is something used to analyze or "take a closer look at" something. It is normally a way to review the effectiveness of something. For example‚ Google offers a free web analytics tool that is used by Web Masters to track visitors on a given site. It allows Web Masters to see where visitors are coming from‚ how long they stay‚ what links they are reviewing‚ etc. Analytic Tool help with Tracking and Reports! Data flow diagram -A data flow diagram (DFD) is
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