problem2.32: problem2.32
In nganbaohuynh/stat210: Datasets for the course STAT210 (NMBU)
problem2.32 R Documentation
problem2.32
Description
Data from Exercise 2.32 in "Montgomery, D. Design and Analysis of Experiments. 9th Ed. Wiley."
Usage
problem2.32
Format
Front housings for cellphones are manufactured in an injection molding process.
The time the part is allowed to cool in the mold before removal is thought to influence
the occurrence of a particularly troublesome cosmetic defect, flow lines, in the finished
housing. After manufacturing, the housings are inspected visually and assigned a score between
1 and 10 based on their appearance, with 10 corresponding to a perfect part and 1 corresponding to a completely defective part.
An experiment was conducted using two cool-down times, 10 and 20 seconds, and 20 housings were evaluated at each level of cool-down time.
All 40 observations in this experiment were run in random order.
Examples
summary(problem2.32)
nganbaohuynh/stat210 documentation built on Aug. 20, 2022, 10:08 p.m.
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| problem2.32 | R Documentation |
problem2.32
Description
Data from Exercise 2.32 in "Montgomery, D. Design and Analysis of Experiments. 9th Ed. Wiley."
Usage
problem2.32
Format
Front housings for cellphones are manufactured in an injection molding process. The time the part is allowed to cool in the mold before removal is thought to influence the occurrence of a particularly troublesome cosmetic defect, flow lines, in the finished housing. After manufacturing, the housings are inspected visually and assigned a score between 1 and 10 based on their appearance, with 10 corresponding to a perfect part and 1 corresponding to a completely defective part. An experiment was conducted using two cool-down times, 10 and 20 seconds, and 20 housings were evaluated at each level of cool-down time. All 40 observations in this experiment were run in random order.
Examples
summary(problem2.32)
R Package Documentation
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