Sampling Techniques Worksheet For each description of sampling‚ decide if the sampling technique is A. Simple Random B. Stratified C. Cluster D. Systematic E. Convenience 1. In order to estimate the percentage of defects in a recent manufacturing batch‚ a quality control manager at Intel selected every 8th chip that comes off the assembly line starting with the 3rd‚ until she obtains a sample of 140 chips. 2. In order to determine the average IQ of ninth-grade students‚ a school psychologist
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interval numerical data e) a continuous ratio numerical data f) a discrete ratio numerical data 3. Which one(s) could be used for analyzing nominal data? Circle all applied. a) percentage b) percentile c) CV d) mean e) standard deviation 4. Which one could be used for analyzing ordinal data? Circle all applied. a) percentage b) percentile c) CV d) mean e) standard deviation 5. If we like to check the reliability of an instrument using similar instrument which measures same concepts
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Man on Wire is a documentary about a goal oriented‚ thrill seeker that made history and created a masterpiece on a metal wire 110 stories above the streets of New York City. Philippe Petit had a dream to walk on a wire that was strung between the World Trade Centers. To make this happen it would take many years of planning‚ practice‚ and persistence. As we follow Petit through his journey‚ it becomes evident that he may not be able to achieve his goal. Director James Marsh allows tension to rise
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their lives and throw you away when they don’t need you anymore. Philippe Petit‚ the main character of the documentary film “Man on Wire”‚ directed by James Marsh‚ is a great example of such a sucker. Barry Greenhouse‚ Petit’s accomplice‚ says it during the film‚ “He sort of draws you into his world.” Philippe was a brave‚ enthusiastic and persistent high-wire artist. His raw passion to walk hundreds of feet above the ground on a tightrope helped him to make his dream come true‚ and he became
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Sampling Procedures There are many sampling procedures that have been developed to make sure that a sample really represents the target population. Simple Random Sampling In simple random sampling‚ every individual in the target population has an equal chance of being part of the sample. This requires two steps: 1. Obtain a complete list of the population. 2. Randomly select individuals from that list for the sample. In a study where the unit of analysis is the student‚ the researcher
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What factors affect the resistance of a piece of wire? What I am going to investigate is‚ what factors affect the resistance of a piece of wire. To start this experiment I will need the following equipments: Power pack Ammeter Voltmeter 1 meter ruler (100cm) 110cm of wire Crocodile clips This shows how the equipment will be set up. A V I will measure the Voltage and also Current of the wire. Once I have recorded the results I will
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Precision Worldwide‚ Inc. Introduction When a competitor develops and introduces a superior product that is less costly to manufacture and even many times usable and durable‚ the key to people at Precision Worldwide must decide whether to match the competitor’s product‚ when to do so‚ how to price or what sustainable competitive advantage it needs to adopt during the next strategic period‚ given that it holds a large inventory of its now inferior product. This issue concerns the steel and plastic
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affects the resistance of a wire. Reworded: I am going to investigate if changing the length of a wire changes its resistance. I predict that the longer the wire‚ the more resistance it has. Planning and Preparation Independent Variable: The variable I changed was length (cm). Dependent Variable: The variable I measured was resistance (Ω). Fixed Variables: The variables I kept constant to make it a fair test; were‚ the type of wire (nichrome)‚ the thickness of the wire‚ and the temperature of the
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Sampling plan Our target population is the youth‚ from ages of 16 to 23. They represent the young adults and teenagers of the area’s population and are the most easily influenced individuals of the society. Our target population are college and high school students or recently graduated high school students. The data collection method used will be a self-administered questionnaire handed to the prospective respondents and collected right after the 10 minutes needed for the individual to complete
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Assignment No. : 01 | Abstract: Sampling is one of the vital parts of any research process and also touches different aspects as translatability‚ comparability‚ Validity and totalization. When researchers use qualitative data‚ they first understand it and then try to explain it as the data is non-probabilistic and cannot be represented as easily as others. This paper studies the sampling procedure to know teaching learning relations for minority students in
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