EBK STATISTICS FOR BUSINESS & ECONOMICS
12th Edition
ISBN: 9780100460461
Author: Anderson
Publisher: YUZU
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Chapter 9.4, Problem 33E
Annual per capita consumption of milk is 21.6 gallons (Statistical Abstract of the United States: 2006). Being from the Midwest, you believe milk consumption is higher there and wish to support your opinion. A sample of 16 individuals from the midwestern town of Webster City showed a sample
- a. Develop a hypothesis test that can be used to determine whether the mean annual consumption in Webster City is higher than the national mean.
- b. What is a point estimate of the difference between mean annual consumption in Webster City and the national mean?
- c. At α = .05, test for a significant difference. What is your conclusion?
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Chapter 9 Solutions
EBK STATISTICS FOR BUSINESS & ECONOMICS
Ch. 9.1 - The manager of the Danvers-Hilton Resort Hotel...Ch. 9.1 - The manager of an automobile dealership is...Ch. 9.1 - A production line operation is designed to fill...Ch. 9.1 - Because of high production-changeover time and...Ch. 9.2 - Duke Energy reported that the cost of electricity...Ch. 9.2 - The label on a 3-quart container of orange juice...Ch. 9.2 - Carpetland salespersons average 8000 per week in...Ch. 9.2 - Suppose a new production method will be...Ch. 9.3 - consider the following hypothesis test: H0: 20...Ch. 9.3 - Consider the following hypothesis test: H0: 25...
Ch. 9.3 - Consider the following hypothesis test: H0: = 15...Ch. 9.3 - Consider the following hypothesis test: H0: 80...Ch. 9.3 - Consider the following hypothesis test: H0: 50...Ch. 9.3 - Consider the following hypothesis test: H0: = 22...Ch. 9.3 - Individuals filing federal income tax returns...Ch. 9.3 - In a study entitled How Undergraduate Students Use...Ch. 9.3 - The mean hourly wage for employees in...Ch. 9.3 - The average annual total return for U.S....Ch. 9.3 - The Internal Revenue Service (IRS) provides a...Ch. 9.3 - For the United States, the mean monthly Internet...Ch. 9.3 - Fowle Marketing Research, Inc., bases charges to a...Ch. 9.3 - CCN and ActMedia provided a television channel...Ch. 9.4 - Consider the following hypothesis test: H0: 12...Ch. 9.4 - Consider the following hypothesis test: H0: = 18...Ch. 9.4 - Consider the following hypothesis test: H0: 45...Ch. 9.4 - Consider the following hypothesis test: H0: = 100...Ch. 9.4 - The Employment and Training Administration...Ch. 9.4 - A shareholders group, in lodging a protest,...Ch. 9.4 - The national mean annual salary for a school...Ch. 9.4 - The time married men with children spend on child...Ch. 9.4 - The Coca-Cola Company reported that the mean per...Ch. 9.4 - According to the National Automobile Dealers...Ch. 9.4 - Annual per capita consumption of milk is 21.6...Ch. 9.4 - Joans Nursery specializes in custom-designed...Ch. 9.5 - Consider the following hypothesis test: H0: p =...Ch. 9.5 - Consider the following hypothesis test: H0: p .75...Ch. 9.5 - A study found that, in 2005, 12.5% of U.S. workers...Ch. 9.5 - A study by Consumer Reports showed that 64% of...Ch. 9.5 - According to the Pew Internet American Life...Ch. 9.5 - In 2008, 46% of business owners gave a holiday...Ch. 9.5 - Speaking to a group of analysts in January 2006, a...Ch. 9.5 - According to the University of Nevada Center for...Ch. 9.5 - Eagle Outfitters is a chain of stores specializing...Ch. 9.5 - In a cover story, BusinessWeek published...Ch. 9.5 - Many investors and financial analysts believe the...Ch. 9.7 - consider the following hypothesis test. H0: 10...Ch. 9.7 - Consider the following hypothesis test. H0: = 20...Ch. 9.7 - Fowle Marketing Research, Inc., bases charges to a...Ch. 9.7 - A consumer research group is interested in testing...Ch. 9.7 - Young Adult magazine states the following...Ch. 9.7 - A production line operation is tested for filling...Ch. 9.7 - Refer to exercise 48. Assume the firm selects a...Ch. 9.7 - Sparr Investments, Inc., specializes in...Ch. 9.8 - Consider the following hypothesis test. H0: 10...Ch. 9.8 - Consider the following hypothesis test. H0: = 20...Ch. 9.8 - Suppose the project director for the Hilltop...Ch. 9.8 - A special industrial battery must have a life of...Ch. 9.8 - Young Adult magazine states the following...Ch. 9.8 - An automobile mileage study tested the following...Ch. 9 - A production line operates with a mean filling...Ch. 9 - At Western University the historical mean of...Ch. 9 - Prob. 62SECh. 9 - On Friday, Wall Street traders were anxiously...Ch. 9 - Data released by the National Center for Health...Ch. 9 - A recent issue of the AARP Bulletin reported that...Ch. 9 - The chamber of commerce of a Florida Gulf coast...Ch. 9 - In Hamilton County, Ohio, the mean number of days...Ch. 9 - On December 25, 2009, an airline passenger was...Ch. 9 - An airline promotion to business travelers is...Ch. 9 - Virtual call centers are staffed by individuals...Ch. 9 - During the 2004 election year, new polling results...Ch. 9 - A radio station in Myrtle Beach announced that at...Ch. 9 - Prob. 73SECh. 9 - Shorney Construction Company bids on projects...Ch. 9 - A federal funding program is available to...Ch. 9 - H0: = 120 and Ha: 120 are used to test whether...Ch. 9 - Quality Associates, Inc. Quality Associates, Inc.,...Ch. 9 - Ethical Behavior of Business Students at Bayview...
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