An Experiment Was Performed on a Certain Metal to Determine

question 71

Multiple Choice

An experiment was performed on a certain metal to determine if the strength is a function of heating time.Partial results based on a sample of 10 metal sheets are given below.The simple linear regression equation is = 1 + 1X .The time is in minutes and the strength is measured in pounds per square inch,MSE = 0.5, = 30, = 104. Determine the 95% prediction interval for the strength of a metal sheet when the average heating time is 2.5 minutes.

• A)(1.68 5.32)
• B)(2.94 4.06)
• C)(1.78 5.22)
• D)(0.78 4.22)

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Definitions:

Service Level

A measure of the quality of a service provided, often defined as the percentage of customer demand that is met through immediate stock availability.

Lead Time

refers to the total time that elapses between the initiation and completion of a production process, from order to delivery.

Inventory Holding Cost

The expenses associated with storing unsold goods, including warehousing, insurance, taxes, spoilage, and opportunity costs.

Annual Demand

Annual demand quantifies the total quantity of a particular product or service that consumers are willing to buy over the course of a year.