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20201025003936module 11 T2 Hotelling Chart Multivariant Problem 3 2

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Morehead State University
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Student Name: ST. ID#:……………………………………………………
Hotelling T2 Multivariate Problem: The data shown in Table from a production process with two CTQs, X1, and X2. The sample data are sample
means of X1 and X2 (Sample size =25, Assume that mean values of the quality characteristics and the covariance matrix were computed from 50
preliminary Samples=50). Construct T2 control chart using these data for Phase II.
Total no. of CTQ (p)2 Sample Size (n)25 Subgroup (m)50 Alpha=0.001 F(alpha,p,mn-m-p+1) using F-table=6.9477
To calculate the S-inverse, one will need to do the following
1. Open Excel
2. Insert S matrix in Excel
3. Use {-MINVERSE (F2:G3)} Function
To calculate UCL and LCL

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Student Name: ST. ID#:…………………………………………………… Hotelling T2 – Multivariate Problem: The data shown in Table from a production process with two CTQs, X1, and X2. The sample data are sample means of X1 and X2 (Sample size =25, Assume that mean values of the quality characteristics and the covariance matrix were computed from 50 preliminary Samples=50). Construct T2 control chart using these data for Phase II. Total no. of CTQ (p)2 Sample Size (n)25 Subgroup (m)50 To calculate the S-inverse, one will need to do the following 1. Open Excel 2. Insert S matrix in Excel 3. Use {-MINVERSE (F2:G3)} Function To calculate UCL and LCL Alpha=0.001 F(alpha,p,mn-m-p+1) using F-table=6.9477 Conclusion? The process is out of control at plot 7 and 14. Name: 20201025003936module 11 T2 Hotelling Chart Multivariant Problem 3 2 Description: Hotelling ...
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