Department IB Math Standard-1 Ms. Fabiola Medrano Name: ______________ Date: May 2‚ 2013 Total marks: 50 marks Marks obtained: _____ Score: ______ Quiz 4.2 (Descriptive Statistics II) General Instructions: Answer each of the following questions on the space provided. You must show ALL your work and IN PEN to earn full credit. 1. The following table gives the examination grades for 120 students. Grade Cumulative frequency 1 9 9 2 25 34 3 35 p 4 q 109
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Tutorial 4: Estimations 1. A process producing bricks is known to yield output whose weights are normally distributed with a standard deviation of 0.12lb. A random sample of 40 bricks from a day’s output had a mean weight of 4.07lb. (i) Find a 99% confidence interval for the mean weight of all bricks produced on that day. (ii) Estimate the smallest sample size required if the error in estimating the population mean weight of all bricks is to be within 0.03lb with 95% confidence.
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Individual History Essay "To what extent did Malcolm X play a positive role in the Civil Rights Movement of the 1950s and the 1960s in America?" Word Count: 1923 words To a limited extent Malcolm X played a positive role in the Civil Rights Movement of the 1950s and 1960s in America. Malcolm X was an African-American Muslim minister‚ leader and human rights activist. During the Civil Rights Movement of the 1950s and 60s Malcolm X became one of the most prominent advocates for the rights
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Business Decision Making Project‚ Part 3 QNT/275 12/22/2014 Business Decision Making Project‚ Part 3 At the beginning of our week four team collaboration‚ members of Team A reflected on the outcomes of the study that we administered in the city of Pittsburgh‚ Pennsylvania. Our research utilized descriptive statistics to analyze the data that we collected. We were able to describe and summarize the data in a significant manner‚ by using charts and tables. Our descriptive statistics results involved
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AP® EUROPEAN HISTORY 2009 SCORING GUIDELINES Question 6 Analyze the various ways in which the Thirty Years’ War (1618–1648) represented a turning point in European history. 9–8 Points • Thesis is explicit and fully responds to the question. o Refers to three significant results of the Thirty Years’ War representing a turning point. • Organization is clear and effectively supports the argument. o Body paragraphs go on to develop the various results of the Thirty Years’ War as alluded to in the thesis
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Honors English 12-16-10 Contemplating the Differences “To everything there is a season‚ and a time to every purpose under the heaven/A time to love‚ and a time to hate/A time of war‚ and a time of peace” (Solomon 1‚2‚16‚17). “Ecclesiastes 3: 1-8” is a section from the King James version Bible that explains that for everything a person does‚ there is a particular time to follow the action out. “Seven Ages of Man” draws the image in one’s mind of an infant growing into an adult with awkward phases
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Modified Booth Encoding Radix-4 8-bit Multiplier Final Project Report Da Huang‚ Afsaneh Nassery Table of Contents Table of Contents ...................................................................................................................... 2 Abstract: .................................................................................................................................... 3 System Diagram:....................................................................
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Observations What are observations? Finding out what children can do & recording it Evidence of child behaviour & development Factual descriptions of child’s actions & language Observations help us to plan ‘next steps’ for children Why do we observe? To inform our planning To review the effectiveness of areas of provision & use of resources To identify learning opportunities and plan relevant & motivating experiences To reflect on our own practise To protect children To develop
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Although conducting random locker searches are beneficial in exceptional and deficient ways‚ many citizens will disagree with being able to have locker searches. Conducting locker searches could also help detect illegal substances and weapons‚ used for bullying or even to seriously injure a peer. On the other hand‚ locker searches violates privacy. First and foremost‚ conducting locker searches can discover atrocious students with illegal substances. An abundance of schools have an enormous amount
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Investigation of Systolic and Diastolic deviations in the obese: a cardiovascular magnetic resonance imaging and metabolic technique. Obesity is one of the major health issues in developed Western countries‚ especially in the United States of America (Danias‚ 2003). Previous investigations with magnetic resonance imaging have shown that obesity independently alters the structure and systolic/diastolic function of the heart. This has been evaluated with great detail by using cardiovascular magnetic
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