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An automotive part must be machined to close tolerances to be acceptable to customers. Production specifications call for a maximum variance in the lengths of the parts of 0.0004. A quality control sample produced the data in the Microsoft Excel Online file below. Using a = 0.05, test to see whether the population variance specification is being violated. Open spreadsheet 1. Formulate the null and alternative hypotheses for this application. Ho: 0² H₂: 0² 2. Test statistic = 3. The p-value is 4. Conclusion: 5. Test results: Check My Work © Reset Problem © (to 2 decimals)

An automotive part must be machined to close tolerances to be acceptable to customers. Production specifications call for a maximum variance in the lengths of the parts of 0.0004. A quality control sample produced the data in the Microsoft Excel Online file below. Using a = 0.05, test to see whether the population variance specification is being violated. Open spreadsheet 1. Formulate the null and alternative hypotheses for this application. Ho: 0² H₂: 0² 2. Test statistic = 3. The p-value is 4. Conclusion: 5. Test results: Check My Work © Reset Problem © (to 2 decimals)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An automotive part must be machined to close tolerances to be acceptable to customers. Production specifications call for a maximum variance in the lengths of the parts of 0.0004. A quality control sample produced the data in the Microsoft Excel Online file below. Using a = 0.05, test to see whether the population variance specification is being violated. X Open spreadsheet 1. Formulate the null and alternative hypotheses for this application. Ho: 0² Ha: 0² 2. Test statistic = 3. The p-value is 4. Conclusion: 5. Test results: Check My Work ↑ ŷ (to 2 decimals) Reset Problem î î ↑
Transcribed Image Text:An automotive part must be machined to close tolerances to be acceptable to customers. Production specifications call for a maximum variance in the lengths of the parts of 0.0004. A quality control sample produced the data in the Microsoft Excel Online file below. Using a = 0.05, test to see whether the population variance specification is being violated. X Open spreadsheet 1. Formulate the null and alternative hypotheses for this application. Ho: 0² Ha: 0² 2. Test statistic = 3. The p-value is 4. Conclusion: 5. Test results: Check My Work ↑ ŷ (to 2 decimals) Reset Problem î î ↑
D3 2 671SSA WN A 1 Part Length 5.02 4.97 4.965 5.005 4.98 5.005 4.96 4.945 4.97 4.975 5.01 4.97 4.96 4.985 5 5.005 4.97 4.955 5 4.985 4.945 5.005 4.965 3 4 5 8 File 9 Home 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 25 5 4.95 5.02 4.97 4.95 4.965 4.945 B Insert Arial fx Draw Page Layout ✓ 10 + Sample size Sample mean Sample variance Sample standard deviation Hypothesized variance Degrees of freedom с D Inferences About a Population Variance Level of significance Critical Value (2 decimals) Test statistic (2 decimals) p-value (4 decimals) Sheet1 Calculation Mode: Automatic Workbook Statistics Reject null hypothesis? B Formulas 0.0004 0.05 ↓ E Data Review View F Formulas #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A ab Help General G H ←0 .00 .00 →.0 J K L M Editing Ev AT N Give Feedback to Microsoft P Comments 100% +
Transcribed Image Text:D3 2 671SSA WN A 1 Part Length 5.02 4.97 4.965 5.005 4.98 5.005 4.96 4.945 4.97 4.975 5.01 4.97 4.96 4.985 5 5.005 4.97 4.955 5 4.985 4.945 5.005 4.965 3 4 5 8 File 9 Home 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 25 5 4.95 5.02 4.97 4.95 4.965 4.945 B Insert Arial fx Draw Page Layout ✓ 10 + Sample size Sample mean Sample variance Sample standard deviation Hypothesized variance Degrees of freedom с D Inferences About a Population Variance Level of significance Critical Value (2 decimals) Test statistic (2 decimals) p-value (4 decimals) Sheet1 Calculation Mode: Automatic Workbook Statistics Reject null hypothesis? B Formulas 0.0004 0.05 ↓ E Data Review View F Formulas #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A ab Help General G H ←0 .00 .00 →.0 J K L M Editing Ev AT N Give Feedback to Microsoft P Comments 100% +
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