Aplia for Modern Business Statistics
5th Edition
ISBN: 9781285839639
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
Publisher: Cengage Learning
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Textbook Question
Chapter 10.2, Problem 14E
Are nursing salaries in Tampa, Florida, lower than those in Dallas, Texas? As reported by the Tampa Tribune, salary data show staff nurses in Tampa earn less than staff nurses in Dallas. Suppose that in a follow-up study of 40 staff nurses in Tampa and 50 staff nurses in Dallas you obtain the following results.
- a. Formulate a hypothesis so that, if the null hypothesis is rejected, we can conclude that salaries for staff nurses in Tampa are significantly lower than for those in Dallas. Use α = .05.
- b. What is the value of the test statistic?
- c. What is the p-value?
- d. What is your conclusion?
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Chapter 10 Solutions
Aplia for Modern Business Statistics
Ch. 10.1 - The following results come from two independent...Ch. 10.1 - 2. Consider the following hypothesis test.
The...Ch. 10.1 - 3. Consider the following hypothesis test.
The...Ch. 10.1 - 4. Condé Nast Traveler conducts an annual survey...Ch. 10.1 - 5. The USA Today reports that the average...Ch. 10.1 - Hotel Price Comparison. Suppose that you are...Ch. 10.1 - Consumer Reports uses a survey of readers to...Ch. 10.1 - Prob. 8ECh. 10.2 - The following results are for independent random...Ch. 10.2 - Consider the following hypothesis test:
The...
Ch. 10.2 - Consider the following data for two independent...Ch. 10.2 - Prob. 12ECh. 10.2 - Annual Cost of College. The increasing annual cost...Ch. 10.2 - Are nursing salaries in Tampa, Florida, lower than...Ch. 10.2 - Prob. 15ECh. 10.2 - Effect of Parents’ Education on Student SAT...Ch. 10.2 - Comparing Financial Consultant Ratings....Ch. 10.2 - Researchers at Purdue University and Wichita State...Ch. 10.3 - Consider the following hypothesis test.
The...Ch. 10.3 - The following data are from matched samples taken...Ch. 10.3 - Prob. 21ECh. 10.3 - The price per share of stock for a sample of 25...Ch. 10.3 - Credit Card Expenditures. Bank of America’s...Ch. 10.3 - Domestic Airfare. The Global Business Travel...Ch. 10.3 - Prob. 25ECh. 10.3 - PGA Tour Scores. Scores in the first and fourth...Ch. 10.3 - Price Comparison of Smoothie Blenders. A personal...Ch. 10.4 - Consider the following results for independent...Ch. 10.4 - Prob. 29ECh. 10.4 - Corporate Hiring Outlook. A Businessweek/Harris...Ch. 10.4 - Prob. 31ECh. 10.4 - Prob. 32ECh. 10.4 - Chicago OHare and Atlanta Hartsfield-Jackson are...Ch. 10.4 - Prob. 34ECh. 10.4 - In a test of the quality of two television...Ch. 10.4 - Winter visitors are extremely important to the...Ch. 10.4 - Prob. 37ECh. 10 - Prob. 38SECh. 10 - Prob. 39SECh. 10 - Prob. 40SECh. 10 - Kitchen Versus Bedroom Remodeling Costs. The...Ch. 10 - In early 2009, the economy was experiencing a...Ch. 10 - Country Financial, a financial services company,...Ch. 10 - Prob. 44SECh. 10 - Prob. 45SECh. 10 - Prob. 46SECh. 10 - For the week ended January 15, 2009, the bullish...
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