Question: for ucl & lcl in calculation (no graph needed) 3. The company sampled five orders with each four observation and the results as shown in

for ucl & lcl in calculation (no graph needed)

for ucl & lcl in calculation (no graph needed) 3.

3. The company sampled five orders with each four observation and the results as shown in the table below. The standard deviation of the process is 0.02. Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 x bar 12.10 12.12 12.11 12.10 12.12 2 BJMP2033/A202/Test a) Calculate the value of sample standard deviation (double x bar). (2 Marks) b) Find the UCL and LCL by using 99.74% of control limit. (4 Marks)

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