Examlex
Which of the following is true of a fragment in a distributed DBMS?
Null Hypothesis
A statement or assumption that there is no effect or no difference, and it serves as the starting point for statistical testing.
Sample Proportion
The fraction or percentage of observations in a sample that belong to a particular category, used to estimate the proportion in the entire population.
Two-Tailed Hypothesis
A statistical test hypothesis that considers both directions of deviation from the null hypothesis, thus testing for the possibility of both positive and negative effects.
Population Proportion
The ratio of a specific subgroup within a population to the entire population, typically expressed as a percentage.
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