TABLE 1-1 The Manager of the Customer Service Division of a Major

question 13

Multiple Choice

TABLE 1-1
The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the past 12 months are satisfied with their products.
-Referring to Table 1-1,the possible responses to the question "How much time do you use the Blu-ray player every week on the average?" are values from a

• A)discrete numerical variable.
• B)continuous numerical variable.
• C)categorical variable.
• D)table of random numbers.

---

Definitions:

Ca2+

The chemical symbol for calcium ions, which play critical roles in cellular signaling, muscle contraction, and neurotransmitter release among other physiological functions.

Smooth Muscle Cell

A type of involuntary, non-striated muscle found in the walls of internal organs such as the stomach, intestines, and blood vessels, controlling their movements.

Depolarize

To decrease the electrical potential across the cellular membrane as a prelude to generating an action potential.

Visceral Smooth Muscle

Muscle tissue found within the walls of internal organs, responsible for their involuntary movement such as contraction and relaxation.