SCENARIO 15-7
A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes samples of size 5 from each day's output and counts the number of blemishes on each silicone sheet.The results from 20 days of such evaluations are presented below. She also decides that the upper specification limit is 10 blemishes.
-Referring to SCENARIO 15-7, an R chart is to be constructed for the number of blemishes.The center line of this R chart is located at _.

Question

SCENARIO 15-7
A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes samples of size 5 from each day's output and counts the number of blemishes on each silicone sheet.The results from 20 days of such evaluations are presented below.  She also decides that the upper specification limit is 10 blemishes.
-Referring to SCENARIO 15-7, an R chart is to be constructed for the number of blemishes.The center line of this R chart is located at _.

Quizplus · Accepted Answer

The Answer of SCENARIO 15-7
A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes samples of size 5 from each day's output and counts the number of blemishes on each silicone sheet.The results from 20 days of such evaluations are presented below.  She also decides that the upper specification limit is 10 blemishes.
-Referring to SCENARIO 15-7, an R chart is to be constructed for the number of blemishes.The center line of this R chart is located at _.

SCENARIO 15-7 A Supplier of Silicone Sheets for Producers of Computer Chips