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, which of the following represents the relevant hypotheses tested?
Definitions:
Standardized Z Values
Values resulting from the standardization process that measures the number of standard deviations a data point is from the mean of its distribution.
Probability
An evaluation of event occurrence likelihood, represented as a numerical value ranging between 0 and 1.
Standard Normal Table
A reference table that provides the area under the curve of the standard normal distribution, often used to find probabilities and critical values.
Mutually Exclusive Events
Two or more events that cannot occur at the same time, making it impossible for them to happen simultaneously in any given trial.
Q6: Referring to Table 11-6, the null hypothesis
Q28: Referring to Table 10-15, suppose α =
Q33: Referring to Table 8-8, a 90% confidence
Q37: Referring to Table 8-13, construct a 95%
Q83: Referring to Table 11-7, is it appropriate
Q106: Referring to Table 10-11, construct a 99%
Q117: Referring to Table 12-1, what is the
Q134: Referring to Table 12-19, to use the
Q142: A survey claims that 9 out of
Q196: Referring to Table 12-11, the same decision