PAGE NO.121(CHAPTER-9 CHEMISTRY PRACTICALS) Q4.How would you distinguish between the following: a)Calcium nitrate and lead nitrate using ammonium hydroxide Ans: Add ammonium hydroxide to the given substance‚ calcium nitrate does not form any ppt. with ammonium hydroxide. But lead nitrate forms chalky white ppt. With ammonium hydroxide b)Calcium nitrate and lead nitrate using sodium hydroxide solution Ans: Add sodium hydroxide to the given substance‚ Calcium nitrate forms milky white ppt
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Predictive Policing By Amiracle L. Grace CIS500 Information Systems for Decision Making Professor Constance Blanson Strayer University July 16‚ 2014 ABSTRACT You will briefly read about Table of Contents Introduction In previous and the most recent years‚ police officers have increased their use of new technologies to become more effective when it comes to reducing crime. The oldest technology that has
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With Preferred stock‚ there are of a variety of features that can be added to in order to either increase its attractiveness to investors‚ or to make it easier for the issuing company to buy back. Some company uses this to gain access to cash fast and they can control their payback. Preferred stock can have a lot of features add to it but here are the four major categories they will fall into: Callable this feature gives a company the ability to buy back preferred stock on specific dates and at
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Validity is about the extent to which a piece of research in finding out what the research is finding out what the researcher intents to find out. The idea of validity means that something is true and can be believed. When people say ‘that’s a valid point”‚ they mean that the point is relevant‚ meaningful and believable. It is concerned with truth and value‚ that is whether conclusions are correct or not. It also considers whether the method‚ approaches and techniques actually relate to what is being
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Predictive Policing Paul T. Lane CIS500005VA016-1134-001 Dr. Edwin Otto 14‚ April 2013 COMPSTAT (COMPuter or COMParative statistics) is a geographic information system adopted by the New York City Police Department in 1994 to predict future crimes. Mathematicians utilize COMPSTAT by designing algorithms to come up with future crimes for police departments. These crimes include‚ but are not limited to drug distribution‚ theft‚ homicide‚ and domestic violence. This method of policing has come
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of government in which states share power with the national government is called federalism. The United States is founded upon a federal system.There are three types of powers that can be found within the federal system: expressed‚ inherent‚ and concurrent. These powers were created by the Founders in order to insure that the power of the country would not fall upon a single group‚ but instead be distributed among various groupings. Since the Founding Fathers witnessed how a leader could take advantage
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....................... 28 Chapter 5: Legal Framework and KYC Policies.......................... 35 Part II: Domain of Concurrent Audit Chapter 1: Evolution of Concurrent Audits in Banks................... 59 Chapter 2: General Guidelines on Concurrent Audit .................. 62 Chapter 3: Conduct of Concurrent Audit..................................... 91 Chapter 4: Concurrent Audit Universe and Procedures............ 101 Chapter 5: Checklists...................................................
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instrument for evaluation need to be accurate‚ objective‚ practical and reliable. Further they should be able to discriminate between good and bad performers and have a uniform difficulty level. This module explains each of these terms and describes how they can be measured. Module specifically tou ched on six measures of test quality‚ objectivity‚ practicability‚ reliability‚ validity‚ difficulty level and discrimination index. It also talks about mathematical measures like mean‚ median‚ mode‚ standard
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Test Reliability and Validity: Evaluation of the GRADE A+ Standardized Reading Assessment Assessment is the key to instruction and intervention‚ but according to Salvia‚ Ysseldyke and Bolt (2007)‚ “reliability is a major consideration in evaluating an assessment procedure” (p. 119). Reliability refers to the stability of a tests’ results over time and test reliability refers to the consistency of scores students would receive on alternate forms of the same test‚ for example Test form A and Test
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Exploring Reliability and Validity E. HackShawnee State University Type of Reliability and Validity Used Upon examination of the Values and Motives Questionnaire: The Technical Manual‚ it becomes clear what variables are working towards the reliability and validity of this study. The following paragraphs will entail those specific concepts. Validity After reading through the questionnaire‚ clarity develops in that two different types of validity are made distinct. Those two categories are
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