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

question 21

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 chart is to be used for the number of blemishes. One way to obtain the control limits is to take the grand mean and add and subtract the product of A₂ times the mean of the sample ranges. For this data set, the value of A₂ is ________.

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Definitions:

Market Price

The present cost at which a service or asset is available for purchase or sale.

P > MC

Indicates a situation where the price (P) of a good is greater than the marginal cost (MC) of producing it, suggesting the potential for economic profits.

Short Run

A time period in economics during which at least one factor of production is fixed, limiting the ability of the business to adjust to market changes fully.

Monopolistically Competitive Firm

A type of firm in a market structure where many companies sell products that are similar but not identical, and each has some control over its price.