TABLE 10-13 The Amount of Time Required to Reach a Customer Service

question 71

Multiple Choice

TABLE 10-13
The amount of time required to reach a customer service representative has a huge impact on customer satisfaction.Below is the Excel output from a study to see whether there is evidence of a difference in the mean amounts of time required to reach a customer service representative between two hotels.Assume that the population variances in the amount of time for the two hotels are not equal.
-Referring to Table 10-13,state the null and alternative hypotheses for testing if there is evidence of a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels.

• A)H₀ : - ≥ 0 versus H₁ : - < 0
• B)H₀ : - ≤ 0 versus H₁ : - > 0
• C)H₀ : - = 0 versus H₁ : - ≠ 0
• D)H₀ : - ≠ 0 versus H₁ : - = 0

---

Definitions:

Afterimage

A visual image or illusion that continues to appear in one's vision after the exposure to the original image has ceased.

Opponent-Process Theory

A psychological and neurological model that explains complex behaviors and perceptions (including color vision and emotions) as the result of opposing pairs of stimuli.

Young-Helmholtz Theory

A theory suggesting that the human eye perceives color through the response levels of three kinds of cones, each sensitive to one of three colors: red, green, or blue.

Complementary Color Pairs

Colors that are opposite each other on the color wheel and when combined, cancel each other out to produce a grayscale color like white or black.