# Question

For problem 8-63, test the validity of the equal-variance assumption.

In problem The senior vice president for marketing at Westin Hotels believes that the company's recent advertising of the Westin Plaza in New York has increased the average occupancy rate at that hotel by at least 5%. To test the hypothesis, a random sample of daily occupancy rates (in percentages) before the advertising is collected. A similar random sample of daily occupancy rates is collected after the advertising took place. The data are as follows.

In problem The senior vice president for marketing at Westin Hotels believes that the company's recent advertising of the Westin Plaza in New York has increased the average occupancy rate at that hotel by at least 5%. To test the hypothesis, a random sample of daily occupancy rates (in percentages) before the advertising is collected. A similar random sample of daily occupancy rates is collected after the advertising took place. The data are as follows.

## Answer to relevant Questions

Refer to problem 8-48. Test the null hypothesis that the variance of the cost of repairing a broken leg is equal to the variance of the cost of repairing an injured knee. In problem According to Money, the average cost of ...In problem 8–4, suppose that the population standard deviation is 1.0 and that the true average reduction in consumption for the entire population in the area is μD = 0.1. For a sample size of 60 and α = 0.01, what is ...A survey finds that 62% of lower-income households have Internet access at home as compared to 70% of upper-income households. Assume that the data are based on random samples of size 500 each. Does this demonstrate that ...What is the main principle behind analysis of variance? Use the data of Table 9–1 and the Tukey procedure to determine where differences exist among the triangle, circle, and square population means. Use α = 0.01. In tablePost your question

0