Examlex
Which of the below does not describe Zappos's database?
Sample Proportion
A statistic that estimates the fraction of the population that has a certain trait, characteristic or behavior, calculated as the number of observations in the sample with that trait over the total sample size.
Probability
A measure of the likelihood that a particular event will occur, expressed as a number between 0 and 1.
Barack Obama
Barack Obama is a political figure who served as the 44th President of the United States, from 2009 to 2017.
Voters
Individuals who are eligible and participate in the election process to choose representatives or decide on public issues.
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