a. Explanation Given info: The data represents airborne the limits on the vinyl chloride. The sample size n = 50 , sample mean x ¯ = 3.1 , sample standard deviation s = 0.5 and the level of significance α = 0.05 . Calculation: The test hypotheses are, Null hypothesis: H 0 : μ = 3 That is, the average amount of vinyl chloride in the air is 3 b. To determine To find: the value of β and the power of test. c. To determine To explain: The thing happening to the power of test when α is increased.

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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Chapter 7, Problem 7.139ACI

To determine

To test: Whether the changes made in the level of significance favor halting production.

To determine

To find: the value of β and the power of test.

To determine

To explain: The thing happening to the power of test when α is increased.

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Chapter 7, Problem 7.138ACI

Chapter 7, Problem 7.140ACI

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Chapter 7 Solutions

Statistics for Business and Economics (13th Edition)

Ch. 7.2 - Which hypothesis, the null or the alternative, is...Ch. 7.2 - Which element of a test of hypothesis is used to...Ch. 7.2 - What is the level of significance of a test of...Ch. 7.2 - What is the difference between Type I and Type II...Ch. 7.2 - List the four possible results of the combinations...Ch. 7.2 - We reject the null hypothesis when the test...Ch. 7.2 - If you test a hypothesis and reject the null...Ch. 7.2 - For each of the following rejection regions,...Ch. 7.2 - Use the applet Hypothesis Test for a Mean to...Ch. 7.2 - Americans favorite sport. The Harris Poll...

Ch. 7.2 - Play Golf America program. The Professional Golf...Ch. 7.2 - Student loan default rate. The national student...Ch. 7.2 - A border protection avatar. The National Center...Ch. 7.2 - Calories in school lunches. A University of...Ch. 7.2 - Libor interest rate. The interest rate at which...Ch. 7.2 - Prob. 7.15ACI Ch. 7.2 - Authorizing computer users with palm prints....Ch. 7.2 - Jury trial outcomes. Sometimes, the outcome of a...Ch. 7.2 - Intrusion detection systems. The Journal of...Ch. 7.3 - Consider the test of H0: = 7. 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Under what...Ch. 7.5 - For each of the following rejection regions,...Ch. 7.5 - A random sample of n observations is selected from...Ch. 7.5 - A sample of five measurements, randomly selected...Ch. 7.5 - Suppose you conduct a 1-test for the null...Ch. 7.5 - Performance-based logistics. Refer to the Journal...Ch. 7.5 - Accidents at construction sites. In a study...Ch. 7.5 - Lobster trap placement. Refer to the Bulletin of...Ch. 7.5 - Radon exposure in Egyptian tombs. Refer to the...Ch. 7.5 - Performance of stock screeners. Recall, from...Ch. 7.5 - Oxygen bubble velocity in a purification process....Ch. 7.5 - Shopping vehicle and judgment. Refer to the...Ch. 7.5 - Minimizing tractor skidding distance. Refer to the...Ch. 7.5 - Crude oil biodegradation. Refer to the Journal of...Ch. 7.5 - Increasing hardness of polyester composites....Ch. 7.5 - Arsenic in smelters. 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Ponds Age-Defying...Ch. 7.6 - Prob. 7.78ACI Ch. 7.6 - Prob. 7.79ACI Ch. 7.6 - Prob. 7.80ACA Ch. 7.6 - Prob. 7.81ACA Ch. 7.7 - Let X02 be a particular value of X2 Find the value...Ch. 7.7 - A random sample of n observations is selected from...Ch. 7.7 - A random sample of seven measurements gave x=9.4...Ch. 7.7 - Refer to Exercise 7.841. Suppose we had n = 100,...Ch. 7.7 - A random sample of n = 7 observations from a...Ch. 7.7 - Trading skills of institutional investors. Refer...Ch. 7.7 - Lobster trap placement. Refer to the Bulletin of...Ch. 7.7 - Prob. 7.89ACB Ch. 7.7 - Oil content of fried sweet potato chips. Refer to...Ch. 7.7 - Strand bond performance of pre-stressed concrete....Ch. 7.7 - Drug content assessment. Refer to the Analytical...Ch. 7.7 - Jitter in a water power system. Refer to the...Ch. 7.7 - Cooling method for gas turbines. During periods of...Ch. 7.7 - Why do small firms export? The Journal of Small...Ch. 7.8 - a. 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To test: Whether the changes made in the level of significance favor halting production.

Solution Summary: The author explains that changes in the level of significance enable the researcher falsely rejecting the null hypothesis.

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To test: Whether the changes made in the level of significance favor halting production.

To find: the value of β and the power of test.

To explain: The thing happening to the power of test when α is increased.

Want to see the full answer?

Chapter 7 Solutions