An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is x = 1.04 and the sample standard deviation is s = 0.23. Compute a 99% tolerance interval on the impact strength of PVC pipe that has confidence level 90%. Assume population is approximately normally distributed. Round your answers to 3 decimal places.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is x = 1.04 and the sample standard deviation is
s = 0.23. Compute a 99% tolerance interval on the impact strength of PVC pipe that has confidence level 90%. Assume population is
approximately normally distributed.
Round your answers to 3 decimal places.
i
Transcribed Image Text:An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is x = 1.04 and the sample standard deviation is s = 0.23. Compute a 99% tolerance interval on the impact strength of PVC pipe that has confidence level 90%. Assume population is approximately normally distributed. Round your answers to 3 decimal places. i
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