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 for 20 days consecutive days. Which of the following would be the most appropriate analysis to perform?
A) randomized block F test for differences among more than two means
B) exponential smoothing
C) construct a c chart
D) autoregressive modeling

Question

Quizplus · Accepted Answer

The situation described calls for a control chart, specifically a c chart, which is used to monitor the count of defects in a sample. The c chart will allow the supplier to evaluate the stability of her manufacturing process and determine if the number of blemishes on her silicone sheets is within acceptable limits. The other options listed are not appropriate for this scenario.

A Supplier of Silicone Sheets for Producers of Computer Chips