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  2. Error Carried Forward - Wikipedia

    en.wikipedia.org/wiki/Error_Carried_Forward

    However, this application is a work in progress, as it cannot handle rounding errors. The study was published in the 2022 Advances in Science and Engineering Technology International Conferences (ASET), [4] highlighting the prevalence of ECF today.

  3. Observational error - Wikipedia

    en.wikipedia.org/wiki/Observational_error

    If you consider an experimenter taking a reading of the time period of a pendulum swinging past a fiducial marker: If their stop-watch or timer starts with 1 second on the clock then all of their results will be off by 1 second (zero error).

  4. GCSE Science - Wikipedia

    en.wikipedia.org/wiki/GCSE_Science

    Triple Award Science, commonly referred to as Triple Science, results in three separate GCSEs in Biology, Chemistry and Physics and provide the broadest coverage of the main three science subjects. The qualifications are offered by the five main awarding bodies in England; AQA , Edexcel , OCR , CIE and Eduqas .

  5. False positives and false negatives - Wikipedia

    en.wikipedia.org/wiki/False_positives_and_false...

    Because of the ambiguity of notation in this field, it is essential to look at the definition in every paper. The hazards of reliance on p -values was emphasized in Colquhoun (2017) [ 2 ] by pointing out that even an observation of p = 0.001 was not necessarily strong evidence against the null hypothesis.

  6. ZPP (complexity) - Wikipedia

    en.wikipedia.org/wiki/ZPP_(complexity)

    By selecting the witness as a random string, the verifier is a probabilistic polynomial-time Turing Machine whose probability of accepting x when x is in X is large (greater than 1/2, say), but zero if x ∉ X (for RP); of rejecting x when x is not in X is large but zero if x ∈ X (for co-RP); and of correctly accepting or rejecting x as a ...

  7. Accuracy and precision - Wikipedia

    en.wikipedia.org/wiki/Accuracy_and_precision

    Accuracy is also used as a statistical measure of how well a binary classification test correctly identifies or excludes a condition. That is, the accuracy is the proportion of correct predictions (both true positives and true negatives) among the total number of cases examined. [10]

  8. Propagation of uncertainty - Wikipedia

    en.wikipedia.org/wiki/Propagation_of_uncertainty

    Any non-linear differentiable function, (,), of two variables, and , can be expanded as + +. If we take the variance on both sides and use the formula [11] for the variance of a linear combination of variables ⁡ (+) = ⁡ + ⁡ + ⁡ (,), then we obtain | | + | | +, where is the standard deviation of the function , is the standard deviation of , is the standard deviation of and = is the ...

  9. Gauss's law for magnetism - Wikipedia

    en.wikipedia.org/wiki/Gauss's_law_for_magnetism

    For zero net magnetic charge density (ρ m = 0), the original form of Gauss's magnetism law is the result. The modified formula for use with the SI is not standard and depends on the choice of defining equation for the magnetic charge and current; in one variation, magnetic charge has units of webers , in another it has units of ampere - meters .