Depending on how a sample is drawn‚ it may be a random sample or a nonrandom sample. A random sample is a sample drawn in such a way that each member of the population has some chance of being selected in the sample. In a nonrandom sample‚ some members of the population may not have any chance of being selected in the sample. Suppose we have a list of 100 students and we want to select 10 of them. If we write the names of all 100 students on pieces of paper‚ put them in a hat‚ mix them‚ and then
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Electrolysis a) Electrolysis is the decomposition of a substance to give simpler substances. The substance being electrolysed has to be an ionic compound. b) The substance being decomposed is called the electrolyte. c) In electrolysis the electric current enters and leaves the electrolyte by conducting rods called electrodes. The positive electrode is called the anode and the negative electrode is called the cathode. d) For electrolysis to occur the electrolyte must be in liquid form so that
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There are many ways to select a random sample. Four of them are discussed below: Simple Random Sampling: In this sampling technique‚ each sample of the same size has the same probability of being selected. Such a sample is called a simple random sample. One way to select a simple random sample is by a lottery or drawing. For example‚ if we need to select 5 students from a class of 50‚ we write each of the 50 names on a separate piece of paper. Then‚ we place all 50 names in a hat and mix them thoroughly
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a sample that is similar to the population on all characteristics. Two-stage random sampling A process in which clusters are first randomly selected and then individuals are selected from each cluster. Stratified random sampling The process of selecting a sample in such a way that identified subgroups in the population are represented in the sample in the same proportion as they exist in the population. Random sampling Methods designed to select a representative sample by using chance selection
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the selection of an unbiased or random subset of individual observations within a population of individuals intended to yield some knowledge about the population of concern‚ especially for making predictions based on the statistical inference (Ader‚ Mellenberg & Hand: 2008). There are quite a number of sampling methods that can be employed in research and these include simple random sampling‚ systematic sampling‚ stratified sampling‚ cluster sampling‚ matched random sampling‚ quota sampling‚ convenience
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As every cheerleader knows cheer shoes are vital. Every single cheerleader has them. They’re there with you when you prosper as well as when you collapse. Although many people think that shoes aren’t a big deal‚ regardless of the sport‚ they are. Without shoes it is illegal to compete at any competition. Cheerleading without shoes also causes more injuries because of the lack of cushion and protection. I’ve had some very good but also very bad experiences with them. I remember one particular day
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I believe random acts of kindness are related to our class because the health fields are service fields. We will be working with people. We need to be able to get along with others. We will need to be or learn to be givers. They say people get well faster if they have the right attitude. If we work in health services and we help our patients by being positive around them they may get better faster‚ and I think we will enjoy our work more too. My favorite random act of kindness from the past nine
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Random Family: An Analysis Sex‚ drugs‚ family‚ children‚ money‚ and prison are all complicated things that are reserved for adults to worry about in ordinary circumstances. In the book Random Family by Nicole LeBlanc‚ teenagers and young children are forced to learn to navigate multiple adult worlds and
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years drugs have been becoming more common when it comes to high schoolers. There has been a lot of controversy on whether or not random drug testing is a good or bad thing for athletes. Random drug testing is becoming more common to many schools throughout the world to help reduce substance drug abuse in athletes and to allow schools to help keep students safe. Random drug testing in high school athletes is a great way for adults to help kids overcome drug abuse. Drug testing in schools provides
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Executive Summary Working on this project on the Servis shoes company first of all we have define the product line of Servis company‚ after that we have done industry analysis by performing PEST analysis and future trends in the PEST of shoes industry. After this we have performed “Porter Five Force Model”‚ competitor analysis‚ marketing strategies of servis and change in competition in the shoes industry. We have also discussed that what should a leader do in this kind of situation in the industry
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