unbiased estimate

unbiased estimate

Unbiased estimate is an estimate that is just as likely to be too high as it is too low.

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    • sampling error

      Sampling error is the variation that occurs from sample to sample due to the fact that no sample is a perfect representation of the population; can be biased or unbiased; also known as sampling variation.

    • sampling variation

      Sampling variation is the variation that occurs from sample to sample due to the fact that no sample is a perfect representation of the population; can be biased or unbiased; also known as sampling error.

    • sampling distribution

      Sampling distribution is the distribution of an estimate across many possible samples.

    • degrees of freedom (df)

      Degrees of freedom (df) is the number of independent pieces of information that went into calculating the estimate. We find it’s helpful to think about degrees of freedom as a budget. The more data (represented by n) you have, the more degrees of ...

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      Theoretical probability distribution shows us the pattern of variation in the probabilities of every possible event and thus allows us to estimate the probability of particular kinds of events; also called probability distribution.