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How to understand estimation bias?

幫考網(wǎng)校2020-11-26 16:50:05
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Estimation bias refers to the tendency for estimates or predictions to be consistently higher or lower than the actual values. It can occur due to a variety of factors, including measurement error, sampling bias, and cognitive biases.

To understand estimation bias, it is important to consider the context in which the estimates are being made. For example, if a company is estimating future sales, it may be biased if it only considers data from successful sales periods and ignores data from less successful periods. Similarly, if a researcher is conducting a survey, the results may be biased if they only survey a specific group of people and not a representative sample of the population.

To identify estimation bias, it is important to compare the estimated values to actual values and look for consistent patterns of overestimation or underestimation. Once identified, steps can be taken to reduce or eliminate the bias, such as using more representative samples or adjusting for measurement error.
幫考網(wǎng)校
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