Question: Class Practice 6- X bar and R chart x R 9.8 Subgroup 1 Subgroup 2 Subgroup 3 Subgroup 4 Subgroup 5 Grand Average (3) Average

Class Practice 6- X bar and R chart x R 9.8

Class Practice 6- X bar and R chart x R 9.8 Subgroup 1 Subgroup 2 Subgroup 3 Subgroup 4 Subgroup 5 Grand Average (3) Average Range (R) Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 11.1 10.1 11.3 11.2 9.2 11.2 10.2 10.1 9.4 11.3 9.9 9.9 10.1 8.9 12 11 10.5 8.5 9.9 9.9 9.8 11.7 12.8 10.3 --------- R chart Center line = R= Upper Control Limit = UCI = Lower control limit = LCI = X-bar chart Center line = = Upper Control Limit = UCI = Lower control limit = LCI =

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