SOC 222 -- MEASURING the SOCIAL WORLD Session #6 -- CONFIDENCE INTERVALS Oct 2013 TODAY’S OBJECTIVES 1. Understand what confidence intervals tell us 2. Understand how we get them 3. Know the SPSS procedure for getting confidence intervals Terms to Know Confidence interval Mu (μ) t-curve normal curve RICK’S SITUATION Recap His RQ: Population: Real population mean: Sample: Sample mean: 6 Sampling distribution: 2 Estimated mean
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Pythagorean Quadratic MAT 221: Introduction to Algebra Pythagorean Quadratic The Pythagorean Theorem was termed after Pythagoras‚ who was a well-known Greek philosopher and mathematician‚ and the Pythagorean Theorem is one of the first theorems identified in ancient civilizations. “The Pythagorean theorem says that in any right triangle the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse” (Dugopolski‚ 2012‚ p. 366 para. 8). For this reason
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Jaquavia Jacques Ms. Cordell 1st period December 9‚ 2014 Quadratics is used to help to determine what is on a graph. There are many formulas that are used to put points on a graph to create parabolas. Parabolas are “U” shaped figures on a graph. Parabolas are examples of quadratics on a graph. Parabolas can be positioned up or down‚ which means if the arrows are going up it has a minimum point‚ and if the arrows are going down that means it has a maximum point. When graphing using the vertex formula:
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This article is about quadratic equations and solutions. For more general information about quadratic functions‚ see Quadratic function. For more information about quadratic polynomials‚ see Quadratic polynomial. A quartic equation is a fourth-order polynomial equation of the form. A linear equation is an algebraic equation in which each term is either a constant or the product of a constant and (the first power of) a single variable. Monomial – is a polynomial with only one term. Binomial
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329 Quadratic Equations Chapter-15 Quadratic Equations Important Definitions and Related Concepts 1. Quadratic Equation If p(x) is a quadratic polynomial‚ then p(x) = 0 is called a quadratic equation. The general formula of a quadratic equation is ax 2 + bx + c = 0; where a‚ b‚ c are real numbers and a 0. For example‚ x2 – 6x + 4 = 0 is a quadratic equation. 2. Roots of a Quadratic Equation Let p(x) = 0 be a quadratic equation‚ then the values of x satisfying p(x) = 0 are called its roots or
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Colleen Cooper Solving Quadratic Equations MAT 126 Survey of Mathematical Methods Instructor: Kussiy Alyass October 1‚‚ 2012 Solving Quadratic Equations Using correct methods to solve quadratic equations can make math an interesting task. In the paper below I will square the coefficient of the x term‚ yield composite numbers‚ move a constant term and see if prime numbers occur. I will use the text and the correct formulas to create the proper solutions of the two projects that are
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“The Mats” I.SETTINGS: a.Place:Nana Emilia’s Houseb.Time: The time setting for the action is in the afternoon. This storyhappened somewhat between 1950’s up to the present time. There is nospecific season for the said story but the story evolves in the evening.II. CHARACTERS: a.Protagonist: Mr. Angeles b.Antagonist: Himself III. PLOT: a.Exposition: The story is started by Mr. Angeles who is coming home for hisperiodic inspection trip. Then he had written in Mariveles to Nana Emiliathat
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f(x)= 2x^2 + 8x + 5 Vertex: In order to find the vertex of the quadratic equation‚ begin by using the proper formula - b / 2(a) to find it. In the equation there is an (a) (b) (c) which is needed for the vertex equation. First look at the equation and determine what are the values of the three variable. In this case (a)= 2‚ (b)= 8‚ (c)= 5. Now plug them in properly into the vertex equation. * Notice in the vertex equation there is a negative sign!!! DO NOT FORGET! When plugged into the equation
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The Mats The story assigned to our group is ‘The Mats”. And based on our discussions and group meetings‚ the interpretation we all agreed to make is the “reader-based interpretation”. The Mats‚ written by Francisco Arcellana‚ is a short story depicting a very typical Filipino value – a deep sense of close family-ties and bonding. In this particular story‚ a man -depicted as a very loving and thoughtful father/husband- seems to still not able to move on from the unfortunate departure of his
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Logs in the Real World How do you use logarithms in the real world? Like most things that we are taught in math‚ most people would not be able to answer this question. Though many people have no clue how to use a logarithm in the real world or have ever needed to use one‚ there are still many uses for logs that are actually quite common. Three common uses for logs in the real world are calculating compound interest‚ calculating population growth or decay‚ and carbon dating. Using logs is a key
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