Explanation Calculation: The test hypotheses are given below: Null hypothesis: H 0 : The program was no effective That is, there is no difference in distributions of racial tolerance levels pretest and posttest. Alternative hypothesis: H a : The program was effective. That is, the probability distribution of racial tolerance levels in pretest is shifted to left of posttest. Test statistic: Teacher Pretest Posttest Difference Absolute difference Rank 1 53 74 –21 21 9 2 73 80 –7 7 7.5 3 70 94 –24 24 10 4 72 78 –6 6 6 5 77 78 –1 1 1.5 6 81 84 –3 3 5 7 73 71 2 2 3.5 8 87 88 –1 1 1.5 9 61 63 –2 2 3.5 10 76 83 –7 7 7

13th Edition

ISBN: 9780134080215

Author: James T. McClave, Terry T Sincich

Publisher: PEARSON

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Chapter 14.4, Problem 53ACI

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Make the conclusion of the test at α=0.01.

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Chapter 14.4, Problem 52ACB

Chapter 14.4, Problem 54ACI

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Chapter 14 Solutions

Statistics (13th Edition)

Ch. 14.2 - Prob. 1UP Ch. 14.2 - Prob. 2UP Ch. 14.2 - Prob. 3LM Ch. 14.2 - Prob. 4LM Ch. 14.2 - Prob. 5LM Ch. 14.2 - Music performance anxiety. Refer to the British...Ch. 14.2 - Prob. 7ACB Ch. 14.2 - 15.8 Caffeine in Starbucks coffee. Researchers at...Ch. 14.2 - Emotional empathy in young adults. Refer to the...Ch. 14.2 - Prob. 10ACB

Ch. 14.2 - Prob. 11ACB Ch. 14.2 - Prob. 12ACI Ch. 14.2 - 15.10 Lobster trap placement. Refer to the...Ch. 14.2 - Prob. 14ACI Ch. 14.2 - Prob. 15ACI Ch. 14.2 - Prob. 16ACI Ch. 14.2 - Prob. 17ACI Ch. 14.3 - What is a rank sum? Ch. 14.3 - Prob. 19UP Ch. 14.3 - Prob. 20UP Ch. 14.3 - Prob. 21LM Ch. 14.3 - 15.17 Suppose you want to compare two treatments,...Ch. 14.3 - Prob. 23LM Ch. 14.3 - Random samples of sizes n1 = 16 and n2 = 12 were...Ch. 14.3 - 15.18 Independent random samples are selected from...Ch. 14.3 - Prob. 26ACB Ch. 14.3 - Prob. 27ACB Ch. 14.3 - Prob. 28ACB Ch. 14.3 - 15.23 The X-Factor in golf performance. Many golf...Ch. 14.3 - Prob. 30ACB Ch. 14.3 - Prob. 31ACB Ch. 14.3 - 15.85 Children’s recall of TV ads. Refer to the...Ch. 14.3 - Prob. 33ACI Ch. 14.3 - Prob. 34ACI Ch. 14.3 - Prob. 35ACI Ch. 14.3 - Prob. 36ACI Ch. 14.3 - Prob. 37ACI Ch. 14.3 - Prob. 38ACI Ch. 14.3 - Prob. 39ACI Ch. 14.4 - Explain the difference between the one- and...Ch. 14.4 - Prob. 41UP Ch. 14.4 - Prob. 42LM Ch. 14.4 - Prob. 43LM Ch. 14.4 - Prob. 44LM Ch. 14.4 - Prob. 45LM Ch. 14.4 - A random sample of nine pairs of measurements is...Ch. 14.4 - Prob. 47ACB Ch. 14.4 - Prob. 48ACB Ch. 14.4 - Prob. 49ACB Ch. 14.4 - Prob. 50ACB Ch. 14.4 - Reading comprehension strategies of elementary...Ch. 14.4 - Prob. 52ACB Ch. 14.4 - Prob. 53ACI Ch. 14.4 - Prob. 54ACI Ch. 14.4 - Prob. 55ACI Ch. 14.4 - Neurological impairment of POWs. Eleven prisoners...Ch. 14.4 - Prob. 57ACI Ch. 14.4 - Prob. 58ACA Ch. 14.5 - 15.43 Under what circumstances does the χ2...Ch. 14.5 - Which of the following results would lead you to...Ch. 14.5 - Suppose you want to use the Kruskal-Wallis H-test...Ch. 14.5 - Data were collected from three populations—A, B...Ch. 14.5 - 15.46 Containing wildfires. The International...Ch. 14.5 - 15.47 Road safety of neighborhoods. The Canadian...Ch. 14.5 - Dog behavior on walks. A field study was conducted...Ch. 14.5 - 15.49 Improving driving performance while...Ch. 14.5 - Effect of scopolamine on memory. Refer to the...Ch. 14.5 - 15.48 Commercial eggs produced from different...Ch. 14.5 - 15.50 Relieving pain with hypnosis. Rehabilitation...Ch. 14.5 - Energy expenditure of laughter. Refer to the...Ch. 14.5 - Restoring self-control when intoxicated. Refer...Ch. 14.5 - Ground water contamination of wells. Refer to the...Ch. 14.5 - The “name game.” Refer to the Journal of...Ch. 14.5 - Is honey a cough remedy? Refer to the Archives...Ch. 14.6 - Which of the following statements correctly...Ch. 14.6 - What conditions are required for a valid...Ch. 14.6 - Data were collected under a randomized block...Ch. 14.6 - 15.55 Suppose you have used a randomized block...Ch. 14.6 - 15.56 An experiment was conducted using a...Ch. 14.6 - A new method of evaluating health care research...Ch. 14.6 - Prob. 81ACB Ch. 14.6 - 15.64 Containers designed to cool citrus fruit....Ch. 14.6 - 15.57 Estimating time needed to complete a task....Ch. 14.6 - 15.60 Taste testing scales. Refer to the Journal...Ch. 14.6 - Impact study of distractions while driving. The...Ch. 14.6 - 15.58 Condit ions impeding farm production. A...Ch. 14.6 - “Topsy-turvy” seasons in college football. Refer...Ch. 14.6 - 15.65 Irrelevant facial similarity effects on...Ch. 14.6 - Effect of massage on boxers. Refer to the British...Ch. 14.6 - Plants and stress reduction. Refer to the Kansas...Ch. 14.7 - What is the value of rS when there is perfect...Ch. 14.7 - What conditions are required for a valid...Ch. 14.7 - 15.66 Use Table XIV at the end of this chapter to...Ch. 14.7 - 15.67 Specify the rejection region for Spearman’s...Ch. 14.7 - 15.69 Compute Spearman s rank correlation...Ch. 14.7 - 15.68 The following sample data were collected on...Ch. 14.7 - Measuring the moon’s orbit. Refer to the American...Ch. 14.7 - Mongolian desert ants. Refer to the Journal of...Ch. 14.7 - Game performance of water polo players. Refer to...Ch. 14.7 - Lobster fishing study. Refer to the Bulletin of...Ch. 14.7 - Effect of massage on boxers. Refer to the British...Ch. 14.7 - Childhood obesity study. Refer to the Journal of...Ch. 14.7 - Groundwater contamination of wells. Refer to the...Ch. 14.7 - The “name game.” Refer to the Journal of...Ch. 14.7 - 15.76 Taste testing scales. Refer to the Journal...Ch. 14.7 - 15.75 In business, do nice guys finish first or...Ch. 14.7 - 15.74 Food availability at middle schools. Refer...Ch. 14.7 - Pain empathy and brain activity. Refer to the...Ch. 14.7 - Public perceptions of health risks. Refer to the...Ch. 14 - Prob. 110UP Ch. 14 - For each of the following, give the appropriate...Ch. 14 - 15.80 The data for three independent random...Ch. 14 - 15.81 A random sample of nine pairs of...Ch. 14 - 15.82 Two independent random samples produced the...Ch. 14 - 15.83 An experiment was conducted using a...Ch. 14 - Radioactive lichen. Refer to the Lichen...Ch. 14 - Prob. 118ACB Ch. 14 - Prob. 119ACB Ch. 14 - Prob. 120ACB Ch. 14 - Prob. 121ACB Ch. 14 - Extending the life of an aluminum smelter pot....Ch. 14 - 15.36 NHTSA new car crash tests. Refer to the...Ch. 14 - Prob. 124ACI Ch. 14 - Prob. 125ACI Ch. 14 - Prob. 126ACI Ch. 14 - Prob. 127ACI Ch. 14 - Prob. 128ACI Ch. 14 - Prob. 129ACI Ch. 14 - Prob. 130ACI Ch. 14 - Prob. 131ACI Ch. 14 - Prob. 132ACI Ch. 14 - Prob. 133ACI Ch. 14 - Prob. 134ACI Ch. 14 - Prob. 135ACI Ch. 14 - Prob. 136ACI Ch. 14 - Prob. 137ACI Ch. 14 - Prob. 138CTC

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Chapter 14 Solutions