The Average Score of 100 Students Taking a Statistics Final

question 38

Multiple Choice

The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. Assuming a normal distribution,what test score separates the top 25% of the students from the lower 75% of students?

• A)70.00
• B)74.69
• C)65.31
• D)75.25

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Definitions:

Nasal Conchae

Structures within the nose that increase its surface area to enhance air humidification and cleaning before the air reaches the lungs.

Nasopharynx

The upper part of the pharynx, connecting with the nasal cavity above the soft palate.

Soft Palate

The flexible, muscular part at the back of the roof of the mouth, separating the mouth from the nasal cavity, instrumental in swallowing and speech.

Right Lung

The larger of the two lungs, located on the right side of the chest, divided into three lobes and responsible for a significant part of respiratory function.