TABLE 14-7 A Supplier of Silicone Sheets for Producers of Computer Chips

question 25

Short Answer

TABLE 14-7
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 Table 14-7, an R chart is to be constructed for the number of blemishes. The lower control limit for this data set is ________.

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Definitions:

Stock Indices

Aggregated measures that track the performance of a basket of stocks, representing a specific market or sector, to gauge market trends.

Canadian Stock Market

The financial market in Canada where securities are bought and sold, including the Toronto Stock Exchange and the TSX Venture Exchange.

Underpricing

The practice of setting the initial offering price of a security, typically shares, below its market value, which often leads to a first-day surge in its stock price.

IPO

Initial Public Offering, the process by which a private company becomes publicly traded by offering its shares for the first time to the public.