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For example , if we consider one math class to be a sample of the population of all math classes , then the average number of points earned by students in that one math class at the end of the term is an example of a statistic . The statistic is an estimate of a population parameter . A parameter is a numerical characteristic of the whole population that can be estimated by a statistic . Since we considered all math classes to be the population , then the average number of points earned per student over all the math classes is an example of a parameter . One of the main concerns in the field of statistics is how accurately a statistic estimates a parameter .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.