Exhibit 9-6 A Random Sample of 16 Students Selected from the Student

question 141

Multiple Choice

Exhibit 9-6
A random sample of 16 students selected from the student body of a large university had an average age of 25 years and a standard deviation of 2 years. We want to determine if the average age of all the students at the university is significantly more than 24. Assume the distribution of the population of ages is normal.
-Refer to Exhibit 9-6. At 95% confidence, it can be concluded that the mean age is

• A)not significantly different from 24
• B)significantly different from 24
• C)significantly less than 24
• D)significantly more than 24

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Definitions:

Lateral Malleolus

The outer protrusion or bone on the ankle, formed by the lower end of the fibula, important for ankle stability.

Medial Cuneiform

A bone in the foot located at the base of the first metatarsal bone, playing a key role in the arch structure and stability of the foot.

Pectoral Girdle

The set of bones that anchors the upper limbs to the trunk, consisting of the scapulae and clavicles.

Clavicle

A lengthy bone acting as a brace between the shoulder blade and sternum, commonly referred to as the collarbone.