SPC Charts are used extensively in different business and decision-making environments. In this example a vendor is being selected based on speed of delivery. Which of the conclusions would help you pick a vendor for your needs regarding lead-time of delivery from your vendors? (Note: There are 4 correct answers).

Question

SPC Charts are used extensively in different business and decision-making environments. In this example a vendor is being selected based on speed of delivery. Which of the conclusions would help you pick a vendor for your needs regarding lead-time of delivery from your vendors? (Note: There are 4 correct answers).

Piotr Szwajkowski · Accepted Answer

Vendor B as it has a better consistency (lower variance) on lead time

Piotr Szwajkowski · Accepted Answer

Vendor B since Vendor A shows a situation out of control as shown in red

Piotr Szwajkowski · Accepted Answer

Vendor B since the Control Limits are much narrower than Vendor A

Piotr Szwajkowski · Accepted Answer

Vendor B has higher lead time, but a process with much narrower Control Limits

Piotr Szwajkowski · Answer

Vendor A with a much shorter lead time in delivery

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