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The Target Load Weight for a Ladder Is 250 Lb

Question 177

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The target load weight for a ladder is 250 lb. A technician selects 5 ladders at random per day to test load limit and records the mean load for each day. Determine the most accurate mean control chart drawn from the data shown in the table.  Hour 123456 Mean 260238275238258260 Hour 789101112 Mean 250270261265241248 Hour 131415161718 Mean 273265260253240245\begin{array}{cccccc}\text { Hour } &1 & 2 & 3 & 4 & 5 & 6 \\\\\text { Mean } &260 & 238 & 275 & 238 & 258 & 260 \\\text { Hour } &7 & 8 & 9 & 10 & 11 & 12 \\\\\text { Mean } &250 & 270 & 261 & 265 & 241 & 248 \\\text { Hour } &13 & 14 & 15 & 16 & 17 & 18 \\\\\text { Mean } &273 & 265 & 260 & 253 & 240 & 245\end{array}


A)  The target load weight for a ladder is 250 lb. A technician selects 5 ladders at random per day to test load limit and records the mean load for each day. Determine the most accurate mean control chart drawn from the data shown in the table.  \begin{array}{cccccc} \text { Hour } &1 & 2 & 3 & 4 & 5 & 6 \\ \\ \text { Mean } &260 & 238 & 275 & 238 & 258 & 260 \\ \text { Hour } &7 & 8 & 9 & 10 & 11 & 12 \\ \\ \text { Mean } &250 & 270 & 261 & 265 & 241 & 248 \\ \text { Hour } &13 & 14 & 15 & 16 & 17 & 18 \\ \\ \text { Mean } &273 & 265 & 260 & 253 & 240 & 245 \end{array}  A)    B)    C)    D)
B)  The target load weight for a ladder is 250 lb. A technician selects 5 ladders at random per day to test load limit and records the mean load for each day. Determine the most accurate mean control chart drawn from the data shown in the table.  \begin{array}{cccccc} \text { Hour } &1 & 2 & 3 & 4 & 5 & 6 \\ \\ \text { Mean } &260 & 238 & 275 & 238 & 258 & 260 \\ \text { Hour } &7 & 8 & 9 & 10 & 11 & 12 \\ \\ \text { Mean } &250 & 270 & 261 & 265 & 241 & 248 \\ \text { Hour } &13 & 14 & 15 & 16 & 17 & 18 \\ \\ \text { Mean } &273 & 265 & 260 & 253 & 240 & 245 \end{array}  A)    B)    C)    D)
C)  The target load weight for a ladder is 250 lb. A technician selects 5 ladders at random per day to test load limit and records the mean load for each day. Determine the most accurate mean control chart drawn from the data shown in the table.  \begin{array}{cccccc} \text { Hour } &1 & 2 & 3 & 4 & 5 & 6 \\ \\ \text { Mean } &260 & 238 & 275 & 238 & 258 & 260 \\ \text { Hour } &7 & 8 & 9 & 10 & 11 & 12 \\ \\ \text { Mean } &250 & 270 & 261 & 265 & 241 & 248 \\ \text { Hour } &13 & 14 & 15 & 16 & 17 & 18 \\ \\ \text { Mean } &273 & 265 & 260 & 253 & 240 & 245 \end{array}  A)    B)    C)    D)
D)  The target load weight for a ladder is 250 lb. A technician selects 5 ladders at random per day to test load limit and records the mean load for each day. Determine the most accurate mean control chart drawn from the data shown in the table.  \begin{array}{cccccc} \text { Hour } &1 & 2 & 3 & 4 & 5 & 6 \\ \\ \text { Mean } &260 & 238 & 275 & 238 & 258 & 260 \\ \text { Hour } &7 & 8 & 9 & 10 & 11 & 12 \\ \\ \text { Mean } &250 & 270 & 261 & 265 & 241 & 248 \\ \text { Hour } &13 & 14 & 15 & 16 & 17 & 18 \\ \\ \text { Mean } &273 & 265 & 260 & 253 & 240 & 245 \end{array}  A)    B)    C)    D)

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