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John, a Middle Manager in a High-Tech Firm, Has the Ability

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John, a middle manager in a high-tech firm, has the ability to identify the products that consumers want to buy, which is based on his


Definitions:

Sample Sizes

The number of observations or units chosen from a larger population for the purpose of statistical analysis.

Weighted Average

An average resulting from the multiplication of each component by a factor reflecting its importance.

Z-score

A numerical metric indicating how a particular value compares to the average of a dataset, expressed by the number of standard deviations it lies from the mean.

P-value

The likelihood of encountering experimental results that are at least as significant as the actually observed results, given the null hypothesis is assumed to be accurate.

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