Question:

Thermal impedance measurements of power modules for induction starter motors are used to analyze the process variance. 10 power modules are randomly chosen. 3 inspectors make measurements. Each inspector takes 3 measurements for each module. Minitab output for ANOVA of the measurements data is shown partially in the following table.

1. Calculate \(\hat{\sigma }_{\text{Repeatability}}^{2}\)
2. Calculate \(\hat{\sigma }_{\text{Reproducibility}}^{2}\)
3. Calculate \(\hat{\sigma }_{\text{Parts}}^{2}\)
4. Calculate \(\hat{\sigma }_{\text{Gauge}}^{2}\)

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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document