Twenty Students Were Randomly Selected from a Business Statistics Course

question 134

Multiple Choice

Twenty students were randomly selected from a business statistics course and were asked to report the number of times that they had eaten a meal at the university's cafeteria within the past month. Below are the values reported:
7, 8, 10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12

-Find the coefficient of variation for an IQ test with a mean of 100 and a standard deviation of 15.

• A)15.0
• B)6.7
• C)0.15
• D)1.5
• E)0.67

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Definitions:

Central Canal

The cerebrospinal fluid-filled space running longitudinally through the length of the entire spinal cord.

Ventral Root

The part of a spinal nerve that is responsible for conveying motor output from the central nervous system to the peripheral organs and muscles.

Interneuron

A neuron variant that carries communication between sensory and motor neurons, essential for reflex actions and neural networks.

Motor Neuron

A neuron that conveys signals from the brain or spinal cord to muscles or glands, initiating movement or action.