Exhibit 8-6 A Sample of 75 Information System Managers Had an Average

question 69

Multiple Choice

Exhibit 8-6
A sample of 75 information system managers had an average hourly income of $40.75 with a standard deviation of $7.00.
-Refer to Exhibit 8-6. If we want to determine a 95% confidence interval for the average hourly income, the value of "t" statistics is

• A)1.96
• B)1.64
• C)1.28
• D)1.993

---

Definitions:

Aerobic Endurance

The ability of the cardiovascular and respiratory systems to supply oxygen to muscles during prolonged physical activity.

ATP

Adenosine triphosphate, a molecule that carries energy within cells for metabolism.

Mitochondria

Organelles within cells that convert energy from food into a form that cells can use, often called the "powerhouse of the cell".

Catabolized

Refers to the breakdown of complex molecules into simpler ones within the body, usually for the release of energy and the recycling of components.