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

Short Answer

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.
-Referring to Table 12-7, the test will involve ________ degrees of freedom.