TABLE 12-7 Data on the Percentage of 200 Hotels in Each of Each

question 5

True/False

TABLE 12-7
Data on the percentage of 200 hotels in each of the three large cities across the world on whether minibar charges are correctly posted at checkout are given below. At the 0.05 level of significance,you want to know if there is evidence of a difference in the proportion of hotels that correctly post minibar charges among the three cities.
-True or False: Referring to Table 12-7,there is sufficient evidence to conclude that the proportions between Hong Kong and New York are different at a 0.05 level of significance.

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Definitions:

Wilcoxon Rank

The Wilcoxon Rank Sum Test or Wilcoxon Signed Rank Test is a non-parametric statistical hypothesis test used to compare two paired samples to assess whether their population mean ranks differ.

Critical Value

The value resulting from application of a statistical test that is necessary for rejection (or nonacceptance) of the null hypothesis.

Significance Level

The risk set by the researcher for rejecting a null hypothesis when it is true.