An Experiment Was Performed on a Certain Metal to Determine

question 135

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% confidence interval for the average strength of a metal sheet when the average heating time is 2.5 minutes.

• A)(2.94 4.06)
• B)(1.78 5.22)
• C)(3.31 3.69)
• D)(1.94 3.06)

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Definitions:

Fixed Time For Payment

A specific date or period agreed upon for the repayment of a loan or fulfillment of a payment obligation.

Negotiable

Refers to the flexibility or ability to be transferred to another party in exchange for money or goods, commonly associated with financial instruments like checks or bonds.

Rare Antique Vase

A unique and old decorative container made of material like ceramic, metal, glass, or porcelain with high historical or collectible value.

Indefinite Future Time

A period that has no specified end date.