Construct a control chart for the Lard-O example using 3 sigma limits if samples of size 10 are randomly selected from the process. The center line is . The standard deviation of the sample mean is . The UCL

The UCL is 3.636 and the LCL is 2.964.

Step-by-step explanation:

The complete question is:

Construct a control chart for the Lard-O example using 3 sigma limits if samples of size 10 are randomly selected from the process. The center line is 3.3. The standard deviation of the sample mean is 0.112. The UCL = ____. The LCL = ____.

Solution:

The control chart is a graphical display used to study how a process changes over time. The data are plotted in time order.  

The parts of a control chart are a central line for the average, an upper line for the upper control limit, and a lower line for the lower control limit.  

These lines are formed using the historical data.

The information provided is:

Center line = m = 3.3

Standard deviation = s = 0.112

Compute the 3σ upper control limit as follows:

Compute the 3σ lower control limit as follows:

Thus, the UCL is 3.636 and the LCL is 2.964.

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step-by-step explanation:

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