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

question 139

Short Answer

SCENARIO 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 Scenario 12-7,the test will involve _____ degrees of freedom.

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Definitions:

Percentile

A measure indicating the value below which a given percentage of observations in a group of observations falls.

Normal Random Variable

A variable whose values are distributed according to a normal distribution.

Mean

A measure of central tendency that is calculated by summing the values in a dataset and dividing by the number of values.

Normal Curve

A bell-shaped curve that depicts the distribution of data points in a way where most of the observations cluster around the mean, showing the properties of symmetry and asymptotic tails.