All Data in a Database Are Stored in ____ Files

question 37

Multiple Choice

All data in a database are stored in ____ files.

• A) table
• B) data
• C) RAM
• D) system

---

Definitions:

Significance Level

The probability of rejecting the null hypothesis when it is actually true, often denoted as alpha (α) and typically set at 0.05 or 5%.

Null Hypotheses

A statement in statistical inference that proposes no significant difference or no effect, serving as the default assumption to be tested.

Alternative Hypothesis

A statement in hypothesis testing that proposes a significant difference or effect, contrasting the null hypothesis.

Average Amount

The sum of a collection of numbers divided by the count of numbers in the collection.