SCENARIO 10-13
the Amount of Time Required to Reach a Customer

question 4

Multiple Choice

SCENARIO 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.
t-Test: Two-Sample Assuming Unequal Variances

Two-Sample Tests 10-41
-Referring to Scenario 10-13,what is(are) the critical value(s) of the relevant hypothesis test if the level of significance is 0.05?

• A)1.6860
• B)\(\pm\) 1.6860
• C)2.0244
• D)\(\pm\) 2.0244

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Definitions:

Summarise Observations

The process of briefly describing the main points or significant details noted during an examination or study.

Median

A measure of central tendency that divides a data set into two equal halves by finding the value in the middle when the data is organized in ascending or descending order.

Mean

A statistical measure that represents the average value of a set of numbers.

Extreme Scores

Values or data points in a set that are significantly higher or lower than the majority, often influencing the overall analysis or interpretation of the data.