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A pipes manufacturer makes pipes with a length that is supposed to be 10 inches. A quality control technician sampled 35
Posted: Sun Sep 05, 2021 5:10 pm
by answerhappygod
- A Pipes Manufacturer Makes Pipes With A Length That Is Supposed To Be 10 Inches A Quality Control Technician Sampled 35 1 (178.68 KiB) Viewed 245 times
A pipes manufacturer makes pipes with a length that is supposed to be 10 inches. A quality control technician sampled 35 pipes and found that the sample mean length was 10.05 inches and the sample standard deviation was 0.18 inches. The technician claims that the mean pipe length is not 10 inches. What type of hypothesis test should be performed Select Left-tailed t-test What is the test statistic? Ex: 0.123 © Two-tailed t-test Right-tailed t-test Right-tailed z-test What is the number of degrees of freedom? Ex: 260 Does sufficient evidence exist at the a technician's claim? Select A 0.01 significance level to support the