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2. Sample size determination - Wikipedia

   en.wikipedia.org/wiki/Sample_size_determination

   Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined ...

3. Effect size - Wikipedia

   en.wikipedia.org/wiki/Effect_size

   In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that quantity. It can refer to the value of a statistic calculated from a sample of data, the value of a parameter for a hypothetical population, or to the equation that operationalizes how statistics or parameters lead to the effect size value.

4. Sample maximum and minimum - Wikipedia

   en.wikipedia.org/wiki/Sample_maximum_and_minimum

   The minimum and the maximum value are the first and last order statistics (often denoted X (1) and X (n) respectively, for a sample size of n). If the sample has outliers, they necessarily include the sample maximum or sample minimum, or both, depending on whether they are extremely high or low. However, the sample maximum and minimum need not ...

5. Margin of error - Wikipedia

   en.wikipedia.org/wiki/Margin_of_error

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6. How PwC is tapping into a small group of volunteer ‘super ...

   www.aol.com/finance/pwc-tapping-small-group...

   Workers who use the interactive bot ChatPwC report an overall 20% to 40% increase in job productivity from the time freed up by using the AI, according to PwC. Looking forward, Spindell predicts ...

7. Binomial distribution - Wikipedia

   en.wikipedia.org/wiki/Binomial_distribution

   The binomial distribution is the PMF of k successes given n independent events each with a probability p of success. Mathematically, when α = k + 1 and β = n − k + 1, the beta distribution and the binomial distribution are related by [clarification needed] a factor of n + 1 :