Question: A QA inspector found the face widths of gear teeth of 7 gears were 8.22, 9.0, 8.85, 8.4, 9.12, 8.23, and 9.01 what is the

A QA inspector found the face widths of gear teeth of 7 gears were 8.22, 9.0, 8.85, 8.4, 9.12, 8.23, and 9.01 what is the X-bar

value? (if necessary, approximate to 2nd decimal place)

8.79

8.43

8.69

8.22

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