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An article described an investigation into the coating weights for large plpes resulting from a galvanized coating process. Production standards call for a true average weight of 200 lb per pipe. The accompanying descriptive summary and boxplot are from Minitab. Variable ctg wt Variable otg wt 11 Mean 30 206.45 190 Median TrMean 206.00 206.81 Max Min 193.00 218.00 200 St.Dev 6.35 03 202.75 212.00 Coating weight 210 220 (a) What does the boxplot suggest about the status of the specification for true average coating weight? It appears that the true average weight is approximately 202 lb per pipe. O It appears that the true average weight is not significantly different from the production specification of 200 lb per pipe. SEMean 1.16 O It appears that the true average weight is approximately 218 lb per pipe. It appears that the true average weight could be significantly off from the production specification of 200 to per pipe.

An article described an investigation into the coating weights for large plpes resulting from a galvanized coating process. Production standards call for a true average weight of 200 lb per pipe. The accompanying descriptive summary and boxplot are from Minitab. Variable ctg wt Variable otg wt 11 Mean 30 206.45 190 Median TrMean 206.00 206.81 Max Min 193.00 218.00 200 St.Dev 6.35 03 202.75 212.00 Coating weight 210 220 (a) What does the boxplot suggest about the status of the specification for true average coating weight? It appears that the true average weight is approximately 202 lb per pipe. O It appears that the true average weight is not significantly different from the production specification of 200 lb per pipe. SEMean 1.16 O It appears that the true average weight is approximately 218 lb per pipe. It appears that the true average weight could be significantly off from the production specification of 200 to per pipe.

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 article described an investigation into the coating weights for large plpes resulting from a galvanized coating process. Production standards call for a true average weight of 200 lb per pipe. The accompanying descriptive summary and boxplot are from Minitab. Variable ctg wt Variable otg wt 11 Mean 30 206.45 Min 193.00 200 210 Median TrMean 206.00 206.81 Max 218.00 St Dev 6.35 01 03 202.75 212.00 Coating weight 190 220 (a) What does the boxplot suggest about the status of the specification for true average coating weight? It appears that the true average weight is approximately 202 lb per pipe. SEMean 1.16 It appears that the true average weight is not significantly different from the production specification of 200 lb per pipe O It appears that the true average weight is approximately 219 lb per pipe. It appears that the true average weight could be significantly off from the production specification of 200 jo per pipe.
Transcribed Image Text:An article described an investigation into the coating weights for large plpes resulting from a galvanized coating process. Production standards call for a true average weight of 200 lb per pipe. The accompanying descriptive summary and boxplot are from Minitab. Variable ctg wt Variable otg wt 11 Mean 30 206.45 Min 193.00 200 210 Median TrMean 206.00 206.81 Max 218.00 St Dev 6.35 01 03 202.75 212.00 Coating weight 190 220 (a) What does the boxplot suggest about the status of the specification for true average coating weight? It appears that the true average weight is approximately 202 lb per pipe. SEMean 1.16 It appears that the true average weight is not significantly different from the production specification of 200 lb per pipe O It appears that the true average weight is approximately 219 lb per pipe. It appears that the true average weight could be significantly off from the production specification of 200 jo per pipe.
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