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A machine fills boxes with cereal. The labeled weight is 9 oz. The quality control department...

A machine fills boxes with cereal. The labeled weight is 9 oz. The quality control department sampled three boxes every day for five days.

The samples are as follows:

Sample Box Weights (oz)
1 8.53 8.61 8.93 8.81
2 9.29 8.97 8.54 9.39
3 8.99 8.82 8.82 8.82

What is the X double bar of samples? (Keep two decimal points.)

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Answer #1

= 8.88

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