Intro to Statistics (1.1 -1.5 Vocab)

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Statistics

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The science of conducting studies collect, organize, summarize, analyze, and draw conclusions from data.

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Population

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The entire group of individuals or objects that are being studied.

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Sample

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A part of subset of the population from which we actually collect information.

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Census

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Collect data from every individual or object in the population.

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Cherry Picking

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The practice of selecting only data points that support a specific conclusion, while ignoring or excluding data that contradicts it

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Truncated Graph

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A visualization where one or both axes are not displayed from zero, creating a potentially misleading impression of the data. (Makes the data seem more spread than it actually is.)

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Variable of interest

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What the study aims to understand/explain.

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Convenience Samples

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A poor method of sampling in which the sample is chosen individuals were the easiest to reach or access. It creates bias.

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Bias

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When the data collected either overestimates or underestimates the true value of interest.

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Voluntary Sample

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A sampling method where participants self-select into a study or choose to participate in a study. Often because they have a strong interest in the topic which creates bias.