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

question 56

Multiple Choice

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

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

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Definitions:

Alveolar Epithelium

A thin layer of cells that lines the alveoli (air sacs) in the lungs, allowing for gas exchange.

Respiratory Membrane

Membrane consisting of alveolar epithelium, capillary endothelium, and their fused basement membranes.

Capillary Endothelium

The thin layer of endothelial cells lining the inner surface of capillaries, playing a crucial role in the exchange of substances between the blood and tissues.

Partial Pressure

The pressure that a single component of a gas mixture would exert if it occupied the entire volume of the mixture at the same temperature.