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A Certain Manufacturing Process Has a Target Value of 1

Question 43

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A certain manufacturing process has a target value of 1.20 cm and a standard deviation of ±0.15 cm A sample of nine measurements is made each hour as follows.  Hour 123456 Mean 1.301.151.101.081.111.25 Hour 789101112 Mean 1.151.071.181.161.121.08 Hour 131415161718 Mean 1.251.121.211.261.501.30 Hour 192021222324 Mean 1.261.291.191.171.151.31\begin{array} { l c c c c c c } \text { Hour } & 1 & 2 & 3 & 4 & 5 & 6 \\\\\text { Mean } & 1.30 & 1.15 & 1.10 & 1.08 & 1.11 & 1.25 \\\text { Hour } & 7 & 8 & 9 & 10 & 11 & 12 \\\\\text { Mean } & 1.15 & 1.07 & 1.18 & 1.16 & 1.12 & 1.08 \\\text { Hour } & 13 & 14 & 15 & 16 & 17 & 18 \\\\\text { Mean } & 1.25 & 1.12 & 1.21 & 1.26 & 1.50 & 1.30 \\\text { Hour } & 19 & 20 & 21 & 22 & 23 & 24 \\\\\text { Mean } & 1.26 & 1.29 & 1.19 & 1.17 & 1.15 & 1.31\end{array} Draw a mean control chart using data from the table above.


A)  A certain manufacturing process has a target value of 1.20 cm and a standard deviation of ±0.15 cm A sample of nine measurements is made each hour as follows.  \begin{array} { l c c c c c c }  \text { Hour } & 1 & 2 & 3 & 4 & 5 & 6 \\ \\ \text { Mean } & 1.30 & 1.15 & 1.10 & 1.08 & 1.11 & 1.25 \\ \text { Hour } & 7 & 8 & 9 & 10 & 11 & 12 \\ \\ \text { Mean } & 1.15 & 1.07 & 1.18 & 1.16 & 1.12 & 1.08 \\ \text { Hour } & 13 & 14 & 15 & 16 & 17 & 18 \\ \\ \text { Mean } & 1.25 & 1.12 & 1.21 & 1.26 & 1.50 & 1.30 \\ \text { Hour } & 19 & 20 & 21 & 22 & 23 & 24 \\ \\ \text { Mean } & 1.26 & 1.29 & 1.19 & 1.17 & 1.15 & 1.31 \end{array}  Draw a mean control chart using data from the table above. A)    B)    C)    D)
B)  A certain manufacturing process has a target value of 1.20 cm and a standard deviation of ±0.15 cm A sample of nine measurements is made each hour as follows.  \begin{array} { l c c c c c c }  \text { Hour } & 1 & 2 & 3 & 4 & 5 & 6 \\ \\ \text { Mean } & 1.30 & 1.15 & 1.10 & 1.08 & 1.11 & 1.25 \\ \text { Hour } & 7 & 8 & 9 & 10 & 11 & 12 \\ \\ \text { Mean } & 1.15 & 1.07 & 1.18 & 1.16 & 1.12 & 1.08 \\ \text { Hour } & 13 & 14 & 15 & 16 & 17 & 18 \\ \\ \text { Mean } & 1.25 & 1.12 & 1.21 & 1.26 & 1.50 & 1.30 \\ \text { Hour } & 19 & 20 & 21 & 22 & 23 & 24 \\ \\ \text { Mean } & 1.26 & 1.29 & 1.19 & 1.17 & 1.15 & 1.31 \end{array}  Draw a mean control chart using data from the table above. A)    B)    C)    D)
C)  A certain manufacturing process has a target value of 1.20 cm and a standard deviation of ±0.15 cm A sample of nine measurements is made each hour as follows.  \begin{array} { l c c c c c c }  \text { Hour } & 1 & 2 & 3 & 4 & 5 & 6 \\ \\ \text { Mean } & 1.30 & 1.15 & 1.10 & 1.08 & 1.11 & 1.25 \\ \text { Hour } & 7 & 8 & 9 & 10 & 11 & 12 \\ \\ \text { Mean } & 1.15 & 1.07 & 1.18 & 1.16 & 1.12 & 1.08 \\ \text { Hour } & 13 & 14 & 15 & 16 & 17 & 18 \\ \\ \text { Mean } & 1.25 & 1.12 & 1.21 & 1.26 & 1.50 & 1.30 \\ \text { Hour } & 19 & 20 & 21 & 22 & 23 & 24 \\ \\ \text { Mean } & 1.26 & 1.29 & 1.19 & 1.17 & 1.15 & 1.31 \end{array}  Draw a mean control chart using data from the table above. A)    B)    C)    D)
D)  A certain manufacturing process has a target value of 1.20 cm and a standard deviation of ±0.15 cm A sample of nine measurements is made each hour as follows.  \begin{array} { l c c c c c c }  \text { Hour } & 1 & 2 & 3 & 4 & 5 & 6 \\ \\ \text { Mean } & 1.30 & 1.15 & 1.10 & 1.08 & 1.11 & 1.25 \\ \text { Hour } & 7 & 8 & 9 & 10 & 11 & 12 \\ \\ \text { Mean } & 1.15 & 1.07 & 1.18 & 1.16 & 1.12 & 1.08 \\ \text { Hour } & 13 & 14 & 15 & 16 & 17 & 18 \\ \\ \text { Mean } & 1.25 & 1.12 & 1.21 & 1.26 & 1.50 & 1.30 \\ \text { Hour } & 19 & 20 & 21 & 22 & 23 & 24 \\ \\ \text { Mean } & 1.26 & 1.29 & 1.19 & 1.17 & 1.15 & 1.31 \end{array}  Draw a mean control chart using data from the table above. A)    B)    C)    D)

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