In a Relational Database, Each Row ____

question 9

Multiple Choice

In a relational database, each row ____.

• A) and each column has a primary key
• B) has a unique name and each column has a primary key
• C) has a primary key and each column has a unique name
• D) and each column has a unique name

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Definitions:

Parametric Tests

Statistical tests that make assumptions about the parameters of the distribution(s) from which one's data are drawn.

Wilcoxon Rank Sum Test

A nonparametric statistical hypothesis test used for comparing two independent samples to assess whether their population mean ranks differ.

Un-standardized Test Statistic

An un-standardized test statistic measures the degree of deviation from the null hypothesis without adjusting for scale or variability in the data.

Standardized Test Statistic

A value calculated from sample data that is used to assess the viability of a null hypothesis in the context of a significance test.