Question

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.)

Answer 1

= 8.88