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A New Machine Is Set or Calibrated to Fill Tubes

Question 63

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 six 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 six 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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