True or False: a Marine Drill Instructor Recorded the Time

question 40

True/False

True or False: A Marine drill instructor recorded the time in which each of 11 recruits completed
an obstacle course both before and after basic training.To test whether any improvement
occurred, the instructor would use a t-distribution with 11 degrees of freedom.

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Definitions:

Eardrum

The eardrum, also known as the tympanic membrane, is a thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves.

ENT

Ear, Nose, and Throat; a branch of medicine concerned with the diagnosis and treatment of disorders of the head and neck.

Air Conduction

The process by which sound waves travel through the air in the external auditory canal to the eardrum and middle ear, facilitating hearing.

AC

Alternating Current, a type of electrical current in which the flow of electric charge periodically reverses direction.