The T-Test Is Used When the Number of Observations (Sample

question 15

Multiple Choice

The t-test is used when the number of observations (sample size) in one or both groups is ______ and the population standard deviation is ___________.

• A) small; known
• B) small; unknown
• C) large; known
• D) large; unknown

---

Definitions:

Export Data

The process of converting data into a format that can be used by another application or stored externally.

Navigation Pane

A user interface element that displays the major areas or functionalities of an application or document for easy access.

Excel Button

A graphical control element in Microsoft Excel, used to perform various commands or to open menus.

Ribbon

The Ribbon is an interface element that groups together controls, features, and commands into a series of tabs at the top of an application window, commonly used in Microsoft Office products.