Suppose That and R Charts Are Based on Subgroups

question 92

Multiple Choice

Suppose that and R charts are based on subgroups of size four are being used to monitor the tire diameter size of a new radial tire manufactured by a tire company.The and R charts are found to be in statistical control with inches.A histogram of the tire diameter measurements indicates that distribution of these measurements is approximately normally distributed. Find the sigma level capability of the process.

• A)1.93
• B)3.22
• C)0.64
• D)0.22

Calculate the total cost of units completed and transferred out as well as units in ending work in process inventory.

Understand the concept and application of the weighted-average method in process costing.

Be able to calculate equivalent units of production for materials and conversion costs using the weighted-average method.

Understand how to apply the first-in, first-out (FIFO) method in process costing, including calculating equivalent units of production.

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