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

question 179

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, what is(are) the critical value(s) of the relevant hypothesis test if the level of significance is 0.10?

• A) 1.6860
• B) ±1.6860
• C) 2.0244
• D) ±2.0244

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Definitions:

Skewed

A distribution that is not symmetric and has one tail longer than the other, indicating that the data are not evenly distributed around the mean.

Ontario Bird Count

An event or initiative focused on counting bird species and populations within the province of Ontario to track avian biodiversity and population trends.

Outliers

Data points that differ significantly from other observations, which can occur due to variability in the measurement or possibly indicate experimental error.

Median

The middle value in a data set when the values are arranged in ascending or descending order.