An Experiment Was Performed on a Certain Metal to Determine

question 12

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 4 minutes.The distance value has been found to be equal to 0.17143.

• A)(3.235 6.765)
• B)(3.370 6.629)
• C)(3.155 6.845)
• D)(2.235 5.765)

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