An Identifier of an Entity Instance Must Consist of One

question 66

True/False

An identifier of an entity instance must consist of one and only one attribute.

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Definitions:

Hypotheses

Hypotheses are proposed explanations made on the basis of limited evidence as a starting point for further investigation.

Rejection Region

The range of values for which the null hypothesis is considered unlikely and is rejected in a hypothesis test.

Significance Levels

Significance levels indicate the probability of observing the test statistic as extreme as the results obtained, given that the null hypothesis is true, acting as a criterion for the decision of whether to reject it.

Sample Sizes

The number of observations or data points collected in a subset of a population for the purpose of statistical analysis.