STATISTICS HIGHER SECONDARY – FIRST YEAR Untouchability is a sin Untouchability is a crime Untouchability is inhuman TAMILNADU TEXTBOOK CORPORATION College Road ‚ Chennai- 600 006 i ©Government of Tamilnadu First Edition – 2004 Reprinit - 2005 Chairperson Dr. J. Jothikumar Reader in Statistics Presidency College Chennai – 600 005. Thiru K.Nagabushanam S.G.Lecturer in Statistics Presidency College Chennai – 600 005. Reviewers Thiru R.Ravanan S.G.Lecturer in Statistics Presidency
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Concepts 1. What is Inferential statistics? Inferential statistics uses observations of past occurrences or available data i.e. descriptive statistics to make decisions about future possibilities and/or the nature of the entire body of data. Inferential statistics draws conclusions or makes interpretations‚ predictions and inferences about a population based upon an analysis of a sample. 2. Give 2 different techniques which are used in descriptive statistics to represent the data. Tables or
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Kamlesh‚ Mathur‚ Daniel Solow. Management Science - The Art of Decision Making. Prentice Hall‚ 1994. 4 Jon Curwin and Roger Slater. Quantitative Methods for Business Decisions. Thomson‚ fifth edition‚ 2002. 5 Steyn‚ Smit‚ Du Toit‚ Strasheim. Modern Statistics in Practice. Van Schaik Publishers‚ 1994. 295
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the written application of operation. It teaches students to think clearly‚ reason well and strategize effectively. Mental Mathematics is the ability to utilise mathematical skills to solve problems mentally. The marks scored by pupils generate statistics which are used by teachers to analyse a student’s performance and development of theories to explain the differences in performance. The Standard 3 class is where the transition from junior to senior level occurs where teachers expect the transference
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Assumptions: 5 Subjective Probability 5 Normal Distribution 5 Standard Normal Distribution 5 Sampling Distribution 5 Standard Error of Statistic 5 Central Limit Theorem 5 Area under the Sampling Distribution of the Mean 6 Sampling Distribution‚ Difference between Independent means 6 Sampling Distribution of a Linear Combination of Means 6 Sampling Distribution of Pearson’s R 7 Sampling Distribution of Difference between Independent Pearson’s Rs 7 Sampling Distribution of Median
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ECT 122 Week 4 iLab #1 Parts: Breadboard DC power supply Handheld DMM Test leads Wire 2.2kΩ resistor 3.3kΩ resistor 1. What is the relationship between conductance and resistance? They are the reciprocals of one another. 2. What is the symbol for mhos? ______upside down omega sign (Ω)___ 3. What other unit‚ other than mhos‚ can conductance be measured in? What is its symbol? Siemens‚ S 4. What is the total resistance of a circuit with three
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ECT122 Week 6 iLab #1 1. Define troubleshooting. The process of locating faults in a circuit or system. 2. What is an open circuit? An open circuit is a circuit that has infinite resistance. This results in no current through the open circuit or anything in series with it. It is often referred to as an open. 3. What is the primary symptom of an open circuit? Symptoms of an open circuit include the current through the component drops to zero. The resistance
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Tabitha Gwinn Week 6 Assignment PSY-201 This article was full of information in the transition to adulthood. It begins with a history of becoming an adult. This article takes you through comparisons of the statistics from the past to now. This article gives you an idea on the difference between race and ethnic backgrounds. It also provides support for its findings. What I found interesting in this article is that back in the day‚ which young people
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12/14/2012 Week 7 iLab: Prenatal Lifecycle Choose lifecycle: Prenatal 1.) Describe the lifecycle and the age to be in that lifecycle: I have chosen prenatal as the lifecycle of choice for this week’s iLab. The prenatal lifecycle begins during conception and lasts until the birth of the baby. 2.) Describe nutritional challenges associated with that particular lifecycle. During the gestation period it is difficult at times for the mother to provide the appropriate vitamins & nutrients for her
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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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