TABLE 12-20
Data on the Percentage of 200 Hotels in Each

question 127

Short Answer

TABLE 12-20
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.
$$\begin{array} { c c c c } \hline& \text { Hong Kong } & \text { New York } & \text { Paris } \\\hline\text { Yes } & 86 \% & 76 \% & 78 \% \\\text { No } & 14 \% & 24 \% & 22 \% \\\hline\end{array}$$ 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.
-Referring to Table 12-20, what are the values of the absolute difference and the critical range for the Marascuilo procedure to test for the difference in proportions between New York and Paris using a 0.05 level of significance?

---

Definitions:

Lean Business Model

Lean Business Model is a strategic approach focused on creating more value for customers with fewer resources, by minimizing waste and optimizing efficiency.

Continuous Operations

The assumption that a business will continue its operations into the foreseeable future, not intending to nor expecting to go bankrupt or to significantly alter its operations.

Just-In-Time

A production strategy that strives to improve a business's return on investment by reducing in-process inventory and associated carrying costs.

Fixed Cost

An expense that remains constant regardless of the volume of products or services manufactured or distributed.