The T-Test Can Be Characterized as a Regression (Linear) Model

question 2

Multiple Choice

The t-test can be characterized as a regression (linear) model if?

• A) The outcome variable is categorical.
• B) The groups have equal sample sizes.
• C) The experimental groups are represented by a binary variable .
• D) A t-test is always different from regression

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Definitions:

Echocardiography

A diagnostic test that uses ultrasound waves to create images of the heart, helping in the assessment of its structure and function.

Blood Flow

The continuous movement of blood through the circulatory system of the body, delivering oxygen and nutrients to tissues while removing waste products.

Arrhythmia

An irregularity or abnormality in the heart's rhythm, which can range from harmless to life-threatening.

SA Node

Sinoatrial Node; the heart’s natural pacemaker, responsible for initiating the electrical impulses that determine the heart rate.