every week?” Make sure the question you ask will be answered with a number‚ rather than answers with words. 2. Write a hypothesis of what you expect your research to reveal. Example: Adults 21 years and over watch an average of 2.5 hours of TV per day. 3. Sample at least fifteen people and record their data in a simple table or chart; study the examples from Section 12-3. 4. You can gather your data at work‚ on the phone‚ or via some other method. This is your “Sampling Design.” Which of the
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hours? 8. Saili plants 4 saplings‚ in a row‚ in her garden. The distance between two adjacent saplings is 34m. Find the distance between the first and the last sapling. 9. Lipika reads a book for 134 hours every day. She reads the entire book in 6 days. How many hours in all were required by her to read the book? 10. A car runs 16 km using 1 litre of petrol. How much distance will it cover using 234 litres of petrol? 11. Express as rupees using decimals :
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Write your name here Surname Other names Centre Number Candidate Number Edexcel GCSE Mathematics B Unit 1: Statistics and Probability (Calculator) Higher Tier Wednesday 9 November 2011 – Afternoon Time: 1 hour 15 minutes Paper Reference 5MB1H/01 You must have: Ruler graduated in centimetres and millimetres‚ Total Marks protractor‚ pair of compasses‚ pen‚ HB pencil‚ eraser‚ calculator. Tracing paper may be used. Instructions Use black ink or ball-point pen.
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name Al-Khwarizmi (c. 780-850)‚ a Persian mathematician‚ astronomer‚ geographer and a scholar in the House of Wisdom in Baghdad‚ whose name means “the native of Kharazm”‚ a city that was part of the Greater Iran during his era and now is in modern day Uzbekistan. He wrote a treatise in Arabic language in the 9th century‚ which was translated into Latin in the 12th century under the title ‘’Algoritmi de numero Indorum’’. This title means “Algoritmi on the numbers of the Indians”‚ where “Algoritmi”
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Chapter 3 Relationships Between Quantitative Variables Copyright ©2011 Brooks/Cole‚ Cengage Learning 1 Principle Idea: The description and confirmation of relationships between variables are very important in research. Copyright ©2011 Brooks/Cole‚ Cengage Learning 2 Three Tools we will use … • Scatterplot‚ a two-dimensional graph of data values • Correlation‚ a statistic that measures the strength and direction of a linear relationship between two quantitative variables
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Times New Roman) with 1.5line spacing. Number your answers accurately. Justify the margins of the assignment. CA1 submission is due by 11.59 am on 22 October‚ 2012. PENALTY MARKS FOR LATE SUBMISSION OF ASSIGNMENT By ONE DAY: 20% to be deducted from your total marks MORE THAN ONE DAY: Your submission will NOT BE ACCEPTED Please submit your CA early. The Blackboard Submission System will be open one week before the deadline. This allows multiple submissions before the deadline. If you have queries
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Math is one of the basic sciences of life; it can be said that is the most basic science‚ the first thing a person learns‚ apart from reading and writing‚ is how to add and subtract. But‚ is math a part of nature‚ or was it made to measure or understand nature? It is really hard to know‚ but in my point of view‚ math is a method created by men to measure nature. If math was a part of nature‚ man would be born with math knowledge‚ but man is not‚ man had to think about a way to count and measure things
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“Once I get into algebra‚ my parents will have to help me with my homework.” “I don’t need to know a lot of math.” “Math is so boring.” “I’m just not good with numbers. If I need to know that stuff‚ I ask my boyfriend.” Does any of the above sound familiar? Or do you also feel what others feel about their Mathematics subject? Don’t be dismayed‚ you’re not alone. There are many. While the geeks and nerds are enjoying problem solving‚ others surely hate the ancient Greeks for inventing Mathematics
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Think Stats: Probability and Statistics for Programmers Version 1.6.0 Think Stats Probability and Statistics for Programmers Version 1.6.0 Allen B. Downey Green Tea Press Needham‚ Massachusetts Copyright © 2011 Allen B. Downey. Green Tea Press 9 Washburn Ave Needham MA 02492 Permission is granted to copy‚ distribute‚ and/or modify this document under the terms of the Creative Commons Attribution-NonCommercial 3.0 Unported License‚ which is available at http://creativecommons
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Chapter 5 Measures of Central Tendency: Introduction A measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set of data. As such‚ measures of central tendency are sometimes called measures of central location. They are also classed as summary statistics. The mean (often called the average) is most likely the measure of central tendency that you are most familiar with‚ but there are others‚ such as the median and the
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