Asked by Lina
Please only the formula and steps to do this problem. Thank you
An assembly process includes a torque wrench device that automatically tightens compressor housing bolts; the device has a known process standard deviation of ó = 3 lb-ft in the torque applied. A simple random sample of 35 nuts is selected, and the average torque to which they have been tightened is 150 lb-ft. What is the 95% confidence interval for the average torque being applied during the assembly process
An assembly process includes a torque wrench device that automatically tightens compressor housing bolts; the device has a known process standard deviation of ó = 3 lb-ft in the torque applied. A simple random sample of 35 nuts is selected, and the average torque to which they have been tightened is 150 lb-ft. What is the 95% confidence interval for the average torque being applied during the assembly process
Answers
Answered by
PsyDAG
.95 confidence interval for mean =
Mean ± .196 Standard Error
For calculation of SE, see previous post.
I hope this helps. Thanks for asking.
Mean ± .196 Standard Error
For calculation of SE, see previous post.
I hope this helps. Thanks for asking.
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