Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
6th Edition
ISBN: 9781337115186
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: Cengage Learning
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Chapter 9.5, Problem 38E

Attitudes toward Supermarket Brands. A study by Consumer Reports showed that 64% of supermarket shoppers believe supermarket brands to be as good as national name brands. To investigate whether this result applies to its own product, the manufacturer of a national name-brand ketchup asked a sample of shoppers whether they believed that supermarket ketchup was as good as the national brand ketchup.

  1. a. Formulate the hypotheses that could be used to determine whether the percentage of supermarket shoppers who believe that the supermarket ketchup was as good as the national brand ketchup differed from 64%.
  2. b. If a sample of 100 shoppers showed 52 stating that the supermarket brand was as good as the national brand, what is the p-value?
  3. c. At α = .05, what is your conclusion?
  4. d. Should the national brand ketchup manufacturer be pleased with this conclusion? Explain.
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Chapter 9 Solutions

Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (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 - Chocolate Consumption. The United States ranks...Ch. 9.4 - Used Car Prices. According to the National...Ch. 9.4 - Automobile Insurance Premiums. The Onsure.com...Ch. 9.4 - Prob. 34ECh. 9.5 - Consider the following hypothesis test: A sample...Ch. 9.5 - Prob. 36ECh. 9.5 - The U.S. Bureau of Labor Statistics reports that...Ch. 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. 9.6 - A large department of the Federal Government wants...Ch. 9.6 - CEOs who belong to a popular business-oriented...Ch. 9.6 - Prob. 48ECh. 9.6 - Prob. 49ECh. 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 - The Wall Street Journal reported that bachelor’s...Ch. 9 - Data from the Office for National Statistics show...Ch. 9 - The mean time to earn a bachelor’s degree is 5.8...Ch. 9 - Prob. 56SECh. 9 - In Hamilton County, Ohio, the mean number of days...Ch. 9 - Fifty-two percent of Americans report that they...Ch. 9 - Prob. 59SECh. 9 - Prob. 60SECh. 9 - The unemployment rate for 18- to 34-year-olds was...Ch. 9 - Prob. 62SECh. 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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