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B. The following data provides the grades of 10 randomly selected engineering students on their Statistics Class, and a course on Operations Research. Are the two variables, Statistics Performance and Operations Research Performance significantly correlated? ID Statistics Grade Operations Research ID Statistics Grade Operations Research 88 81 6. 93 95 78 82 7 83 80 3 73 75 8 86 83 4 75 84 85 65 90 92 10 66 74 Solution: 1. Documentation: Excel output 2. Fill up the table below. Pearson's r DE P-value Legend: Highly significant significant ns Not significant ** BRIEF DESCRIPTION: C. What generalization can you draw from the activity? 2-4 sentences only., le

B. The following data provides the grades of 10 randomly selected engineering students on their Statistics Class, and a course on Operations Research. Are the two variables, Statistics Performance and Operations Research Performance significantly correlated? ID Statistics Grade Operations Research ID Statistics Grade Operations Research 88 81 6. 93 95 78 82 7 83 80 3 73 75 8 86 83 4 75 84 85 65 90 92 10 66 74 Solution: 1. Documentation: Excel output 2. Fill up the table below. Pearson's r DE P-value Legend: Highly significant significant ns Not significant ** BRIEF DESCRIPTION: C. What generalization can you draw from the activity? 2-4 sentences only., le

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4BGP
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B. The following data provides the grades of 10 randomly selected engineering students on their Statistics Class, and a course on Operations Research. Are the two variables, Statistics Performance and Operations Research Performance significantly correlated? ID Statistics Grade Operations Research ID Statistics Grade Operations Research 1 88 81 6 93 95 78 82 7 83 80 3 73 75 8 86 83 4 75 84 9 85 65 90 92 10 66 74 Solution: 1. Documentation: Excel output 2. Fill up the table below. Pearson's r DE P-value Legend: ** Highly significant significant Not significant ns BRIEF DESCRIPTION: C. What generalization can you draw from the activity? 2- 4 sentences only.,
Transcribed Image Text:B. The following data provides the grades of 10 randomly selected engineering students on their Statistics Class, and a course on Operations Research. Are the two variables, Statistics Performance and Operations Research Performance significantly correlated? ID Statistics Grade Operations Research ID Statistics Grade Operations Research 1 88 81 6 93 95 78 82 7 83 80 3 73 75 8 86 83 4 75 84 9 85 65 90 92 10 66 74 Solution: 1. Documentation: Excel output 2. Fill up the table below. Pearson's r DE P-value Legend: ** Highly significant significant Not significant ns BRIEF DESCRIPTION: C. What generalization can you draw from the activity? 2- 4 sentences only.,
II. Task: Read and analyze each given, then identify which test is appropriate to use. Conduct hypothesis testing following the steps. Use excel for your computation; on each item (copy-paste the Excel output). A. An article in the Journal of Sound and Vibration described a study investigating the relationship between noise exposure and hypertension. The data given in the table are representative of those reported in the article. Blood Pressure ID Noise Pressure ID Noise Pressure Blood (decibels) (decibels) Pressure 1 2 65 11 4 83 2 63 12 4 90 3 65 13 7 90 4 2. 71 14 8. 88 4 75 15 4 88 6 81 16 95 7 3 80 17 8 96 8 96 18 92 1. 85 19 7 100 10 3 80 20 6 100 Solution: 1. Documentation: Excel output just like in PT 1 and 2. 2. Do these data provide sufficient evidence that there is a positive linear relationship between the two variables? , 3. What does R^2 imply? Page 6 of 6 4. Using the regression model, predict the blood pressure level associated with a sound pressure of 7.5 decibels. 5. Fill out the table below Value Regression parameters bo P-value R^2 b1 Legend: Highly significant significant Not significant ** ns BRIEF DESCRIPTION:
Transcribed Image Text:II. Task: Read and analyze each given, then identify which test is appropriate to use. Conduct hypothesis testing following the steps. Use excel for your computation; on each item (copy-paste the Excel output). A. An article in the Journal of Sound and Vibration described a study investigating the relationship between noise exposure and hypertension. The data given in the table are representative of those reported in the article. Blood Pressure ID Noise Pressure ID Noise Pressure Blood (decibels) (decibels) Pressure 1 2 65 11 4 83 2 63 12 4 90 3 65 13 7 90 4 2. 71 14 8. 88 4 75 15 4 88 6 81 16 95 7 3 80 17 8 96 8 96 18 92 1. 85 19 7 100 10 3 80 20 6 100 Solution: 1. Documentation: Excel output just like in PT 1 and 2. 2. Do these data provide sufficient evidence that there is a positive linear relationship between the two variables? , 3. What does R^2 imply? Page 6 of 6 4. Using the regression model, predict the blood pressure level associated with a sound pressure of 7.5 decibels. 5. Fill out the table below Value Regression parameters bo P-value R^2 b1 Legend: Highly significant significant Not significant ** ns BRIEF DESCRIPTION:
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