Statistics for Business and Economics (13th Edition)

13th Edition

ISBN: 9780134506593

Author: James T. McClave, P. George Benson, Terry Sincich

Publisher: PEARSON

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative p…

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Chapter 10, Problem 10.50ACI

History of corporate acquisitions. Refer to the Academy of Management Journal (August 2008) investigation of the performance and timing of corporate acquisitions, Exercise 2.12 (p. 50). Data on the number of firms sampled and the number that announced one or more acquisitions during the years from 1980 to 2000 are saved in the accompanying file. Suppose you want to determine if the proportion of firms with acquisitions differed annually from 1990 to 2000, that is, you want to determine if year and acquisition status were dependent from 1990 to 2000.

a. Identify the two qualitative variables (and their respective categories) to be analyzed.

b. Set up the null and alternative hypotheses for the test.

c. Use the Minitab printout at the top of next page to conduct the test at α = .5.

Chapter 10, Problem 10.50ACI, History of corporate acquisitions. Refer to the Academy of Management Journal (August 2008)

Minitab output for Exercise 10.50

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Chapter 10, Problem 10.49ACI

Chapter 10, Problem 10.51ACI

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Chapter 10 Solutions

Statistics for Business and Economics (13th Edition)

Ch. 10.2 - Find the rejection region for a one-dimensional 2...Ch. 10.2 - What are the characteristics of a multinomial...Ch. 10.2 - What conditions must n satisfy to make the 2 test...Ch. 10.2 - A multinomial experiment with k = 3 cells and n =...Ch. 10.2 - Prob. 10.5LM Ch. 10.2 - Cable TV subscriptions and cord cutters. Refer to...Ch. 10.2 - Do social robots walk or roll? Refer to the...Ch. 10.2 - Rankings of MBA programs. Business Ethics (Fall...Ch. 10.2 - Museum management. Refer to the Museum Management...Ch. 10.2 - Offshoring companies. Offshoring is a term that...

Ch. 10.2 - Prob. 10.11ACI Ch. 10.2 - Prob. 10.12ACI Ch. 10.2 - Mobile device typing strategies. Text messaging on...Ch. 10.2 - Prob. 10.14ACI Ch. 10.2 - Coupon user study. A hot topic in marketing...Ch. 10.2 - Cell phone user survey. If you subscribe to a cell...Ch. 10.2 - Overloading in the trucking industry. Although...Ch. 10.2 - Political representation of religious groups. Do...Ch. 10.3 - Find the rejection region for a test of...Ch. 10.3 - Consider the 2 3 (i e., r = 2 and = 3)...Ch. 10.3 - Refer to Exercise 10.20. a. Convert the frequency...Ch. 10.3 - Test the null hypothesis of independence of the...Ch. 10.3 - Refer to Exercise 10.22. a. Convert the responses...Ch. 10.3 - Safety of hybrid cars. According to the Highway...Ch. 10.3 - Purchasing souvenirs. A major tourist activity is...Ch. 10.3 - Prob. 10.26ACB Ch. 10.3 - Are travel professionals equitably paid? Business...Ch. 10.3 - Eyewitnesses and mugshots. Refer to the Applied...Ch. 10.3 - Package design influences taste. Can the package...Ch. 10.3 - Job satisfaction of women in construction. The...Ch. 10.3 - Offshoring companies. Refer to The Journal of...Ch. 10.3 - Prob. 10.32ACI Ch. 10.3 - Prob. 10.33ACI Ch. 10.3 - Prob. 10.34ACI Ch. 10.3 - Prob. 10.35ACI Ch. 10.3 - Prob. 10.36ACI Ch. 10.3 - Prob. 10.37ACI Ch. 10.3 - Coupon user study. Refer to the study of a...Ch. 10.3 - Examining the Monty Hall Dilemma. In Exercise...Ch. 10 - A random sample of 250 observations was classified...Ch. 10 - Prob. 10.41LM Ch. 10 - Made in the USA survey. Refer to the Journal of...Ch. 10 - Prob. 10.43ACB Ch. 10 - Survey on giving and volunteering (continued)....Ch. 10 - Stereotyping in deceptive and authentic news...Ch. 10 - Prob. 10.46ACB Ch. 10 - Prob. 10.47ACI Ch. 10 - Pig farm study. An article in Sociological Methods...Ch. 10 - Management system failures. Refer to the Process...Ch. 10 - History of corporate acquisitions. Refer to the...Ch. 10 - Creating menus to influence others. Refer to the...Ch. 10 - Prob. 10.52ACI Ch. 10 - Prob. 10.53ACI Ch. 10 - Prob. 10.54ACI Ch. 10 - Flight lesponse of geese to helicopter traffic....Ch. 10 - Prob. 10.56ACA Ch. 10 - Goodness-of-fit test. A statistics analysis is to...Ch. 10 - Prob. 10.58CTC Ch. 10 - A television station has hired an independent...Ch. 10 - Suppose the television station believes that a...Ch. 10 - Generalize the situations in Exercises 1 and 2 to...Ch. 10 - In this Activity, you will revisit Activity 3.1,...Ch. 10 - Prob. 10.2.2A Ch. 10 - Perform a x2 test for independence for the example...

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Solution Summary: The author explains that the null and alternative hypothesis for the test is H_0:.

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