PEARSON PRODUCT MOMENT CORRELATION COEFFICIENT Definition It is the measure of the linear correlation between two variables X and Y It is the measure of the strength of a linear association between two variables and is denoted by r. It tells you how strong the linear correlation is for paired numeric data e.g. height and weight. The Pearson correlation coefficient‚ r‚ indicates how far away all these data points are to this line of best fit. Development It was the imagination and idea of Sir Francis
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A cartel is a formal (explicit) "agreement" among competing firms. It is a formal organization of producers and manufacturers that agree to fix prices‚ marketing‚ and production.[1] Cartels usually occur in an oligopolistic industry‚ where the number of sellers is small (usually because barriers to entry‚ most notably startup costs‚ are high) and the products being traded are usually homogeneous. Cartel members may agree on such matters as price fixing‚ total industry output‚ market shares‚ allocation
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Explain the term democratic overload? Federalism and the separation of powers mean that there are numerous elections at different levels of government and for different offices as well as primaries and direct democracy. Americans vote ‘for the president to the local dog catcher’ in 80‚000 units of government‚ leading to ‘permanent’ campaigns and ‘bed-sheet ballots’‚ leading to a sense of ‘democratic overload’ due to more than 100‚000 elections taking place annually which may lead to voter fatigue
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By: Mr Fagg The Road Not Taken In “The Road Not Taken” Frost emphasizes that every person is a traveler choosing the roads to follow on their continuous journey-life. There is never a straight path that leads a person in one direction but many. You may chose to take the same path as others but you can make a path to go your own way in life. This poem leaves me to break
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Calculating Sample Size Types of Samples Subjective or Convenience Sample - Has some possibility of bias - Cannot usually say it is representative - Selection made by ease of collection Simple Random Sample - No subjective bias - Equal chance of selection; e.g.‚ select the fifth chart seen on every third day - Can usually be backed to say it is representative Systematic Sample - Is a random sample - Equal chance of selection due to methodology; e.g.‚ computer-generated list of
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R&R Introduction of Case Study Bob Reiss in 1983 observed with interest the success in the Canadian market of new game board called “Trivial Pursuit”‚ The sale of the game in the US tended to be approximately ten times those of sales in Canada since “Trivial Pursuit” had sold 100‚000 copies .Now Reiss thought game make a boom in US market and this make a profitable opportunity for him. After Graduation from Harvard Business School in 1956 Bob Reiss started working for a company of stationary
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notebook computers for $800 a computer. Mrs. Otten‚ owner‚ decides to decrease the price of these computers to $750. As a result‚ the quantity demanded for notebook computers rose from 500 to 550. a. Calculate the percentage change in price ___________________ b. Calculate the percentage change in quantity demanded ____________ c. Calculate the elasticity of demand _______________________ d. Is it elastic‚ inelastic‚ or unit elastic? ____________________ e. Why might computers have this type
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MODULE 1 THEORIES OF LEARNING: ACT – R (Adaptive Control of Thought - Rational) by John Anderson I. Objectives At the end of the module‚ the students are expected to: a. define ACT – R; b. apply the ACT – R Theory in learning; and c. appreciate the importance of ACT – R in learning II. Introduction of the Topic ACT-R (Adaptive Control of Thought--Rational) is a cognitive architecture mainly developed by John Robert Anderson at Carnegie Mellon University‚ which is also a theory
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Case Problem Air Force Training Program An Air Force introductory course in electronics uses a personalized system of instruction whereby each student views a videotaped lecture and then is given a programmed instruction text. The students work independently with the text until they have completed the training and passed a test. Of concern is the varying pace at which the students complete this portion of their training program. Some students are able to cover the programmed instruction text relatively
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Nichelle McClain Prof. Shaner GSW 1110 15 November 2010 Higher Percentage of Minority Inmates There are over millions of people incarcerated but African Americans and Latinos make up most of the prison population. To attempt to stop certain problems‚ the criminal justice system just put people behind bars and expects that everything will be fine‚ when in reality it isn’t because now the jails are becoming overcrowded. Dealing with the drug war‚ racial profiling‚ and people growing up in low-income
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