Question: Sampling 9 boxes per every hour for the past 8 hours has produced the following results: WEIGHT OF SAMPLEWEIGHT OF SAMPLEHOUR(AVG. OF 9 BOXES)HOUR(AVG. OF

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

WEIGHT OF SAMPLEWEIGHT OF SAMPLEHOUR(AVG. OF 9 BOXES)HOUR(AVG. OF 9 BOXES)116.1516.3216.8614.8315.5714.2416.4817.3
  • What is the value of "X double-bar" Show all your work.
  • Develop x chart. In this case the mean standard deviation =1.3. Determine UCL and LCL. Show all your work.

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