The Null Hypothesis for an Independent Samples T Test Specifies

question 28

Multiple Choice

The null hypothesis for an independent samples t test specifies _________________ and the alternative hypothesis specifies _________________.

• A) that sample means are not equal; no difference between sample means
• B) no difference between sample means; that samples mean are not equal
• C) that population means are not equal; no difference between population means
• D) no difference between population means; that population means are not equal

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Definitions:

Blood

A vital liquid in humans and animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away.

Type Influenza

A classification of the influenza virus, characterized by variations in the protein composition on the surface of the virus, affecting the severity and spread of flu outbreaks.

Epidemics

Widespread occurrences of infectious diseases in a community at a particular time, significantly exceeding normal expectancy.

Respiratory Distress Syndrome (RDS)

A serious condition that affects the lungs, characterized by rapid, labored breathing within a few hours of birth, more common in premature infants.