A Database Is Created by and Defined in a Database

question 15

True/False

A database is created by and defined in a database management warehouse (DBW), which is a software program that creates and accesses the data in a database.

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Definitions:

T-Statistic

Re-defined: A value calculated from sample data during a t-test, used to assess the significance of the difference between two sample means.

α

Represents the level of significance in hypothesis testing, typically set at 0.05 or 5%.

P > .05

A statistical expression indicating that the probability of the observed data, or something more extreme, if the null hypothesis is true, is greater than 5%.

Null Hypothesis

The default assumption in statistical hypothesis testing that there is no significant effect or difference, intended to be challenged by the alternative hypothesis.