Predictability of Social Media Usage to Grade Averages IB Math Studies Spring 2013 Table of Contents: Introduction/Purpose……………………………………………………………..p.3 Data Collection Method……………………………………………………….....p. 3 - 4 Data Analysis: Chi-Squared Statistic Frequency Table…………………………………………………………p. 4 - 5 Contingency Table……………………………………………………….p. 5 – 6 Chi – Squared Statistic…………………………………………………...p. 7 Degrees of Freedom………………………………………………………p. 7 Critical Value……………………………………………………………
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Chi-square tests 1. INTRODUCTION 1.1 χ2 distribution and its properties A chi-square (χ2) distribution is a set of density curves with each curve described by its degree of freedom (df). The distribution have the following properties: - Area under the curve = 1 - All χ2 values are positive i.e. the curve begins from 0 (except for df=1) increases to a peak and decreases towards 0 as its asymptote - The curve is skewed to the right‚ and as the degree of freedom increases‚ the
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Based on the novel that I have read entitled ‘Around The World In 80 Days’ written by Jules Vurne‚ the character that I disliked the most is Detective Fix. He was the detective that despatched from England in search of the bank robber. I disliked him the most because he was a greedy person. He made decision without thinking and investigating what the truth was about. Fix was driven by the prize money that was promised if he managed to capture the criminal. Unfortunately‚ Phileass Fogg’s gentleman
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The events of Tiananmen Square in 1989 present the struggle between continuity and change through the clashing ideals of the Communist party and the civilians‚ especially the students‚ of China. The students‚ who leaned towards western ideals‚ demanded for political and economic reform that would ultimately lead to a more democratic and free society. They also campaigned against corruption‚ and this resulted in much support from the working class who had been exploited by the government. The westernised
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Building Projections Charge per Square Feet to provide general cleaning 2‚000 Square Feet or less @ .13-.15 cents 2‚000 4‚000 Square Feet @ .09 cents 5‚000 7‚000 Square Feet @ .07-.08 cents 7‚000 10‚000 Square Feet @ .05 cents 10‚000 Square Feet and up @ .04 cents Carpet Shampooing or Extraction is separate @ .13-.15 cents Stripping and Waxing Tile Floors is separate @ .26-.30 cents Spray Buffing tile floors can or cannot be separate‚ this can be included in the General Bid
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Introduction In this experiment‚ we will be figuring out how much does 80 degree celsius water reduce in temperature in 15 minutes‚ using different materials to insulate the heat. The five materials that will be tested are: Aluminium foil‚ plastic wrap‚ newspaper‚ felt‚ and bubble wrap. Aluminium foil is a reflective material; this means that it bounces the thermal energy back to the foiled object. It also absorbs the heat. Not only does it stop heat loss‚ but Aluminium foil is also useful for
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The first time I attended Macy ‘s Herald Square on W 24th St I was a junior in high school. My fashion merchandising and management 1B class went there on a field trip to acquire some of their history and information on what it takes to run such a large retail store. When our tour guide was finished we had free time to explore the store. I remember wanting to shop but being too overwhelmed because I wasn’t looking for anything particular and couldn’t decide where to start or where to go. At the end
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The saying of “going back to square one” is widely employed within the English language today for its applicability to several kinds of scenarios in our everyday lives - particularly scenarios involving stagnation and resignation. I’ve always been a fairly lax individual‚ comprehending academic material rather quickly. Because I wasn’t being posed any academic challenge and was stagnating in progress in primary school‚ I was granted the opportunity to jump an entire school year ahead‚ circumventing
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determine the financial position of the Square Pharmaceutical Limited and to make a judgment of how well is the efficiency of Square Pharmaceutical Limited‚ its operation and management and how well the company has been able to utilize its assets and earn profit. We use ratio analysis for easily measurement of efficiency‚ liquidity position‚ asset management circumstance‚ investment condition‚ profitability‚ market value and debt coverage situation of the Square Pharmaceutical Limited for performance
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References: 1. Essentials of financial accounting By Kermit D. Larson 2. Square Pharmaceuticals Ltd. a. Annual Report 2008-2009 b. Annual Report 2008-2009 c. Annual Report 2008-2009 3. http://www.investopedia.com 4. http://accountingexplained.com 5. http://www.squarepharma.com.bd
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