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A New Machine Is Set or Calibrated to Fill Tubes

Question 73

Multiple Choice

A new machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. Then, once the machine is running, a sample of 6 tubes is taken every three hours and weighed with the following results: A new machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. Then, once the machine is running, a sample of 6 tubes is taken every three hours and weighed with the following results: What is X bar for 7 am? A) 6.72 B) 6.74 C) 6.78 D) 6.80 What is X bar for 7 am?


A) 6.72
B) 6.74
C) 6.78
D) 6.80

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