Data Entered into the Data Warehouse Must Be Normalized

question 27

True/False

Data entered into the data warehouse must be normalized.

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Definitions:

Cohorts

Groups of individuals sharing a common characteristic or experience within a defined period, often used in studies to examine the effects over time.

Null Hypotheses

Hypotheses that state there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

Main Effect

The direct influence of an independent variable on a dependent variable in an experiment, ignoring the effects of all other independent variables.

Factorial ANOVA

A statistical method designed to evaluate the impact of two or more variables acting independently at various levels on an outcome variable.