Introduction to Statistics Flashcard

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What is inferential statistics?

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Inferential statistics is the branch of statistics that involves drawing conclusions about a population based on information contained in a sample taken from that population.

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What is a continuous variable?

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A continuous variable is a quantitative variable that could have an infinite number of values, such as height, weight, or temperature.

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What is a variable in statistics?

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A variable is any characteristic or attribute of a person, place, or thing that can take on different values.

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What is a unit in statistics?

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A unit is a single individual within a population.

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What is a parameter in statistics?

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A parameter is a characteristic of a population, such as the population mean or population standard deviation.

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What is descriptive statistics?

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Descriptive statistics involves summarizing and organizing data to describe the main features of a dataset.

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What is a sample in statistics?

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A sample is a subset of individuals selected from a larger population, used to make inferences about the population.

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What is a statistic?

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A statistic is a characteristic or measure obtained by using the data values from a sample.

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What is the difference between a discrete variable and a continuous variable?

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A discrete variable can take on a finite number of values, while a continuous variable can take on an infinite number of values.

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What is the purpose of hypothesis testing in statistics?

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Hypothesis testing is used to determine whether there is enough evidence in a sample to support a specific claim about a population.