State the Null and Alternative Hypothesis $\mathrm { H } _ { 0 }$

question 3

Multiple Choice

State the null and alternative hypothesis.

• A) \(\mathrm { H } _ { 0 }\) : There is no difference in the mean stress levels of married and unmarried people.
• \(\mathrm { H } _ { \mathrm { a } }\) : There is a difference in the mean stress levels of married and unmarried people.
• B) \(\mathrm { H } _ { 0 }\) : Marital status and stress levels are associated.
• \(\mathrm { H } _ { \mathrm { a } }\) : Marital status and stress levels are not associated.
• C) \(\mathrm { H } _ { 0 }\) : Marital status and stress levels are not associated. \(\mathrm { H } _ { \mathrm { a } }\) : Marital status and stress levels are associated.
• D) \(\mathrm { H } _ { 0 }\) : Marital status and stress levels are not associated.
• \(\mathrm { H } _ { \mathrm { a } }\) : Mean stress levels of married people are greater than the mean stress levels of unmarried people.

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Definitions:

Clone Method

A method that creates and returns a copy of an object, often used to duplicate instances while preserving original state.

Parameters

Variables that are specified in the definition of methods/function, representing the data that needs to be passed into these methods/functions when they are called.

Abstract Method

A method declared in an abstract class that has no implementation and must be overridden by subclasses.

Private Modifier

A keyword in object-oriented programming languages that restricts the visibility of a class member, making it accessible only within the same class.