Loose Leaf for Statistical Techniques in Business and Economics (Mcgraw-hill/Irwin Series in Operations and Decision Sciences)

16th Edition

ISBN: 9780077639709

Author: Douglas A. Lind, William G Marchal, Samuel A. Wathen

Publisher: McGraw-Hill Education

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Textbook Question

Chapter 10, Problem 15E

Given the following hypotheses:

H 0 : μ ≥ 20 H 1 : μ < 20

A random sample of five resulted in the following values: 18, 15, 12, 19, and 21. Assume a normal population. Using the .01 significance level, can we conclude the population mean is less than 20?

a. State the decision rule.
b. Compute the value of the test statistic.
c. What is your decision regarding the null hypothesis?
d. Estimate the p-value.

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Chapter 10, Problem 4SR

Chapter 10, Problem 16E

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Chapter 10 Solutions

Loose Leaf for Statistical Techniques in Business and Economics (Mcgraw-hill/Irwin Series in Operations and Decision Sciences)

Ch. 10 - Heinz, a manufacturer of ketchup, uses a...Ch. 10 - Prob. 2SR Ch. 10 - For Exercises 14, answer the questions: (a) Is...Ch. 10 - Prob. 2E Ch. 10 - Prob. 3E Ch. 10 - For Exercises 14, answer the questions: (a) Is...Ch. 10 - For Exercises 58: (a) State the null hypothesis...Ch. 10 - For Exercises 58: (a) State the null hypothesis...Ch. 10 - For Exercises 58: (a) State the null hypothesis...Ch. 10 - For Exercises 58: (a) State the null hypothesis...

Ch. 10 - The mean life of a battery used in a digital clock...Ch. 10 - Given the following hypotheses: H0:10H1:10 A...Ch. 10 - Given the following hypotheses: H0:=400H1:400 A...Ch. 10 - The Rocky Mountain district sales manager of Rath...Ch. 10 - The management of White Industries is considering...Ch. 10 - The mean income per person in the United States is...Ch. 10 - Most air travelers now use e-tickets. Electronic...Ch. 10 - A machine is set to fill a small bottle with 9.0...Ch. 10 - Given the following hypotheses: H0:20H1:20 A...Ch. 10 - Given the following hypotheses: H0:=100H1:100 A...Ch. 10 - The amount of water consumed each day by a healthy...Ch. 10 - The liquid chlorine added to swimming pools to...Ch. 10 - A Washington, D.C., think tank announces the...Ch. 10 - Hugger Polls contends that an agent conducts a...Ch. 10 - Prob. 5SR Ch. 10 - Refer to Table 104 and the example just completed....Ch. 10 - Prob. 22E Ch. 10 - According to the local union president, the mean...Ch. 10 - Rutter Nursery Company packages its pine bark...Ch. 10 - A new weight-watching company, Weight Reducers...Ch. 10 - Dole Pineapple Inc. is concerned that the 16-ounce...Ch. 10 - According to a recent survey, Americans get a mean...Ch. 10 - A statewide real estate sales agency, Farm...Ch. 10 - According to the Census Bureau, 3.13 people reside...Ch. 10 - A recent article in Vitality magazine reported...Ch. 10 - According to a study by the Federal Reserve Board,...Ch. 10 - A recent article in The Wall Street Journal...Ch. 10 - A recent study revealed the typical American...Ch. 10 - The postanesthesia care area (recovery room) at...Ch. 10 - www.golfsmith.com receives an average of 6.5...Ch. 10 - During recent seasons, Major League Baseball has...Ch. 10 - Watch Corporation of Switzerland claims that its...Ch. 10 - Listed below is the annual rate of return...Ch. 10 - Many grocery stores and large retailers such as...Ch. 10 - For a recent year, the mean fare to fly from...Ch. 10 - The publisher of Celebrity Living claims that the...Ch. 10 - A United Nations report shows the mean family...Ch. 10 - The cost of weddings in the United States has...Ch. 10 - The American Water Works Association reports that...Ch. 10 - A cola-dispensing machine is set to dispense 9.00...Ch. 10 - The owners of the Westfield Mall wished to study...Ch. 10 - The following null and alternate hypotheses are...Ch. 10 - An insurance company, based on past experience,...Ch. 10 - A national grocers magazine reports the typical...Ch. 10 - Refer to the Real Estate data, which report...Ch. 10 - Refer to the Baseball 2012 data, which report...Ch. 10 - Prob. 52DE

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Chapter 10 Solutions