The Column or Columns of a PRIMARY KEY May Contain

question 57

True/False

The column or columns of a PRIMARY KEY may contain null values.

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Definitions:

Chi-square Test

A statistical test used to determine if a significant relationship exists between two categorical variables.

Significance Level

The threshold or probability of rejecting the null hypothesis when it is actually true, commonly denoted by alpha (α).

Sample Data

A subset of data collected from a larger population, used in statistical analysis as a representation of that larger population.

Hypotheses

Assumptions or propositions that are tested for statistical significance through experiments or observations.