Question
In: Statistics and Probability
The senior vice president for marketing at a Hotel believes that the company’s recent advertising of...
The senior vice president for marketing at a Hotel believes that
the company’s recent advertising of the hotel has decreased the
average room idle rate. To test the hypothesis, random sample of
daily idle rates (in percentages) before the advertising is
collected. A similar random sample of daily idle rates is collected
after the advertising took place. The data are as follows.
Before (%) 8 17 12 21 19 10 After (%) 6 10 1 11 17 8
Is there evidence that the average room idle rate of the hotel has
decreased after the advertising at the 0.01 level of
significance.
Solutions
Expert Solution
calculate mean and standard deviation
for before data:
for after data:
so we dont have enough evidence to conclude that the average room idle rate of the hotel has decreased after the advertising at the 0.01 level of significance.
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