Modern Business Statistics with Microsoft Excel (MindTap Course List)
Modern Business Statistics with Microsoft Excel (MindTap Course List)
5th Edition
ISBN: 9781285433301
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
Publisher: Cengage Learning
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Chapter 9, Problem 53SE

In Hamilton County, Ohio, the mean number of days needed to sell a house is 86 days (Cincinnati Multiple Listing Service, April 2012). Data for the sale of 40 houses in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20 days. Conduct a hypothesis test to determine whether the mean number of days until a house is sold is different than the Hamilton County mean of 86 days in the nearby county. Use α = .05 for the level of significance, and state your conclusion.

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Chapter 9 Solutions

Modern Business Statistics with Microsoft Excel (MindTap Course List)

Ch. 9.3 - Consider the following hypothesis test: A sample...Ch. 9.3 - Prob. 12ECh. 9.3 - Prob. 13ECh. 9.3 - Prob. 14ECh. 9.3 - Federal Tax Returns. According to the IRS,...Ch. 9.3 - In a study entitled How Undergraduate Students Use...Ch. 9.3 - The mean hourly wage for employees in...Ch. 9.3 - Young millennials, adults aged 18 to 34, are...Ch. 9.3 - The Internal Revenue Service (IRS) provides a...Ch. 9.3 - Prescription Drug Costs. Annual expenditure for...Ch. 9.3 - Cost of Telephone Surveys. Fowle Marketing...Ch. 9.3 - Time in Supermarket Checkout Lines. CCN and...Ch. 9.4 - Consider the following hypothesis test: A sample...Ch. 9.4 - Consider the following hypothesis test: A sample...Ch. 9.4 - Consider the following hypothesis test: A sample...Ch. 9.4 - Prob. 26ECh. 9.4 - Which is cheaper: eating out or dining in? The...Ch. 9.4 - CEO Tenure. A shareholders’ group, in lodging a...Ch. 9.4 - The national mean annual salary for a school...Ch. 9.4 - Time in Child Care. The time married men with...Ch. 9.4 - Prob. 31ECh. 9.4 - Used Car Prices. According to the National...Ch. 9.4 - Prob. 33ECh. 9.4 - Prob. 34ECh. 9.5 - Consider the following hypothesis test: A sample...Ch. 9.5 - Prob. 36ECh. 9.5 - Prob. 37ECh. 9.5 - Attitudes toward Supermarket Brands. A study by...Ch. 9.5 - Prob. 39ECh. 9.5 - Prob. 40ECh. 9.5 - Ten years ago 53% of American families owned...Ch. 9.5 - Returned Merchandise. According to the University...Ch. 9.5 - Prob. 43ECh. 9.5 - Prob. 44ECh. 9.5 - The American Association of Individual Investors...Ch. 9 - Production Line Fill Weights. A production line...Ch. 9 - Scholarship Examination Scores. At Western...Ch. 9 - Exposure to Background Television. CNN reports...Ch. 9 - Prob. 49SECh. 9 - Prob. 50SECh. 9 - Prob. 51SECh. 9 - Prob. 52SECh. 9 - In Hamilton County, Ohio, the mean number of days...Ch. 9 - Prob. 54SECh. 9 - Prob. 55SECh. 9 - Prob. 56SECh. 9 - The unemployment rate for 18- to 34-year-olds was...Ch. 9 - Prob. 58SECh. 9 - In recent years more people have been working past...Ch. 9 - Case Problem 1 Quality Associates, Inc. Quality...Ch. 9 - Case problem 2 Ethical Behavior of Business...
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