Question: Sampling 9 boxes per every hour for the past 8 hours has produced the following results: (a) What is the value of X bar-bar? You

Sampling 9 boxes per every hour for the past 8 hours has produced the following results:

(a) What is the value of X bar-bar? You must show both explanation and the final answer.

(b) Develop X-bar Chart. In this case, the population standard deviation is 1.1 (sigma is 1.1). Determine UCL and LCL. You must show both explanation and the final answer.

Sampling 9 boxes per every hour for the past 8

WEIGHT OF SAMPLE WEIGHT OF SAMPLE HOUR AVG. OF 9 BOXES) HOUR KAVG. O 1 16.1 15 16.3 2 16.8 16 14.8 3 (15.5 17 14.2 17.3 00 16.4 4

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