A Confidence Interval For $\left( \mu _ { 1 } - \mu _ { 2 } \right)$

question 22

Multiple Choice

A confidence interval for $\left( \mu _ { 1 } - \mu _ { 2 } \right)$ is $( 5,8 )$ . Which of the following inferences is correct?

• A) \(\mu _ { 1 } = \mu _ { 2 }\)
• B) no significant difference between means
• C) \(\mu _ { 1 } < \mu _ { 2 }\)
• D) \(\mu _ { 1 } > \mu _ { 2 }\)

---

Definitions:

Financial Disadvantage

A situation where a person or entity is in a less favorable financial position compared to others due to various factors.

Fixed Manufacturing Overhead

The portion of manufacturing overhead costs that remains constant regardless of the volume of production, including expenses such as factory rent and salaries of permanent staff.

Avoidable Cost

Expenses that can be eliminated if a particular decision or action is avoided.

Financially Better

A general term that implies an improvement in financial condition or performance compared to a previous period.