what is the meaning of population in statistics?
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In statistics, a population is the entire pool from which a statistical sample is drawn. A population may refer to an entire group of people, objects, events, hospital visits, or measurements. A population can thus be said to be an aggregate observation of subjects grouped together by a common feature.
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Population Distribution. Population distribution means the pattern of where people live. World population distribution is uneven. Places which are sparsely populated contain few people.
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Population Distribution: The population is the whole set of values, or individuals, you are interested in. For example, if you want to know the average height of the residents of India, that is your population, ie, the population of India. ... This characteristics are called population distribution.
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Human population refers to the number of people living in a particular area, from a village to the world as a whole. A secondary meaning of population is the inhabitants themselves, but in most uses population means numbers. ... World population grows because births significantly outpace deaths on average.
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noun. statistics. a symmetrical bell-shaped curve representing the probability density function of a normal distribution. The area of a vertical section of the curve represents the probability that the random variable lies between the values which delimit the section. Collins English Dictionary.
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The main difference between a population and sample has to do with how observations are assigned to the data set. A population includes all of the elements from a set of data. A sample consists one or more observations drawn from the population.
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A statistical parameter or population parameter is a quantity entering into the probability distribution of a statistic or a random variable. It can be regarded as a numerical characteristic of a statistical population or a statistical model. Suppose that we have an indexed family of distributions.
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Population density is a measurement of the number of people in an area. It is an average number. Population density is calculated by dividing the number of people by area. Population density is usually shown as the number of people per square kilometer.
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Population distribution means the pattern of where people live. World population distribution is uneven. Places which are sparsely populated contain few people. Places which are densely populated contain many people. ... Population density is usually shown as the number of people per square kilometer.
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Population – The population is defined as the group of organisms of the same species that live in the same area. Organism – An organism is a single individual plant, animal or other living thing.
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Parameters are numbers that summarize data for an entire population. Statistics are numbers that summarize data from a sample, i.e. some subset of the entire population. Problems (1) through (6) below each present a statistical study*. For each study, identify both the parameter and the statistic in the study.
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Population - the entire group of individuals we want information about. Samples - part of individuals in the population from which we actually collect data to learn about the population.
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Population Distribution. Population distribution means the pattern of where people live. World population distribution is uneven. Places which are sparsely populated contain few people. Places which are densely populated contain many people.
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Population distribution means the pattern of where people live. ... Population density is a measurement of the number of people in an area. It is an average number. Population density is calculated by dividing the number of people by area.
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In statistics, a sample is a set, a population drawn by a particular set of rules from the universe of possibilities. Sampling is the process of selecting the number and method of choosing a sample, given a hypothesis or measurement you need to make, under particular circumstances.
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Demography is a social science which entails the statistical study of populations. Population, in simpler terms, is the number of people in a city or town, region, country or world; population is usually determined by a process called census (a process of collecting, analyzing, compiling and publishing data).
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Population Parameters versus Sample Statistics A parameter is a value that describes a characteristic of an entire population, such as the population mean. Because you can almost never measure an entire population, you usually don't know the real value of a parameter. ... A statistic is a characteristic of a sample.