A restaurant manager wants to learn which style of guest room decorations is more appealing to her guests, she decorates one guest room like a palace and another guest room like a theme park. Based on her marketing research, she suspects that the palace room is more attractive to her guests than the theme park room is. To confirm her suspicion, she counts every day the number of guests who request each room for two months. Can she conclude that the palace room is more attractive than the theme park room?

Number of guests by type of guest room decorations

Decoration typeMeanStandard deviationNumber of cases

Palace1001060

Theme park851260

1.What is the research hypothesis?

2.What is the null hypothesis?

3.What is the independent variable?

4.What is the independent variable?

5.At what level is the independent variable measured?

6.At what level is the dependent variable measured

7.Should we do a one-tailed test or a two-tailed test? Why?

8.Should we do a z-test or a t-test? Why?

9.What is the value of the standard error?

10.What is the rejection region?

11.What is the value of the test statistic?

12.What is the decision?

13.What is the conclusion?