# Week 3 Lab Assignment.docx - Kasaris 1 Week 3 Lab...

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Chapter 5 / Exercise 5.19
Statistics for Management and Economics + XLSTAT Bind-in
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Kasaris 1 Week 3 Lab Assignment Demina Kasaris SCIE211 – Q3WW Stephanie Thomas June 4, 2017
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Chapter 5 / Exercise 5.19
Statistics for Management and Economics + XLSTAT Bind-in
Keller
Expert Verified
Kasaris 2 Lab Assignment Week 3 Statistical Sampling A sample is a randomly selected part of a population. This technique is used to determine the population’s interests. In order to have a proper sample, every member of the population must have an equal chance of being selected for the sample. Sampling must be unbiased, meaning there is not to be any favorites. The members of the sample are also to be chosen independently. There are five different methods for sampling. The five methods are simple random, convenience, systematic, stratified and cluster. There are different difficulties of sampling that are factored into each method. The most difficult step is determining which method should be used. This is based on the nature of the population and the resources that are available (2012, March 13). Resources would include the time available and money time and money. Critical Thinking Critical thinking allows an individual’s to properly process and understand different concepts by using reasoning and logic. The process involves breaking down a claim by answering the questions of “who”, “what”, “where”, “when”, “why”, and “how”. Research is benefited by the use of critical thinking because the skill requires individuals to invest time to properly break down information. Critical thinking can be applied in statistics. To apply critical thinking to statistical information like polls, the four basic critical questions must be asked. The following questions are asked: 1. What is being claimed? 2. How good is the evidence? 3. What other information is relevant?
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