6. An inspector wants to test if the Coke-litro-filling machine is defective by getting a random sample of 22 Coke litro from different batches filled by the machine. It is found out that the sample mean of the random sample is about 1.09 liters with a sample standard deviation of 0.15 liters. Which of the conclusion is supported by the data at 0.01 level of significance?  a. Do not repair the machine.  b. No conclusion can be made.  c. Repair the machine.  d. Get more samples to make a decision.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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6. An inspector wants to test if the Coke-litro-filling machine is defective by getting a random sample of 22 Coke litro from different batches filled by the machine. It is found out that the sample mean of the random sample is about 1.09 liters with a sample standard deviation of 0.15 liters. Which of the conclusion is supported by the data at 0.01 level of significance?
 a. Do not repair the machine.
 b. No conclusion can be made.
 c. Repair the machine.
 d. Get more samples to make a decision.

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