Question: An xbar chart is to be established based on x-doublebar=100 and sbar=8 with n=4. The control limits are based on an -risk of 0.0035. What

An xbar chart is to be established based on x-doublebar=100 and sbar=8 with n=4. The control limits are based on an -risk of 0.0035. What is the most appropriate UCL value for the chart?

Select one:

a.

89.84

b.

112.67

c.

110.32

d.

125.36

e.

88.77

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