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12 Cards in this Set
- Front
- Back
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Statistics
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Collecting, organizing and interpreting data or informatin in order to study some phenomenon
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Population
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Collection of all people or objects of interest
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Parameter
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Numerical measure based upon the data from a population. Usually fixed, but unknown numbers
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Sample
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The part of a population from which data is collected.
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Sampling
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The process of selecting a sample and collecting data from the sample.
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Probability
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Measures randomness or uncertainty. It is used to measure how likely events are.
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Descriptive Statistics
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Consists of summarizing or describing data from a sample, either pictorially or numerically.
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Statistic
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A numerical descriptive measure, which is random
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Probability Distribution
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Measures the randomness of a statistic. It gives the possible values of the statistic and the chances of getting the values
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Inferential Statistics
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Consists of using data from a sample to make a decision or an estimate about a population and its parameters
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Confidence Level
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Gives the change of making a correct inference
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Significane Level
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Gives the chance of making a mistake
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