The strength of bricks were monitored and recorded. The table below provides the recorded data for 25 days, each consisting of four observations. Strength (MPa) Day 3 4 4.9 5.8 5.5 5.3 5.6 6.3 5.8 1 2 5.5 5.6 3 5.9 6.2 5.9 5.9 5.9 5.3 4.9 6.3 4 6.4 5.7 6.2 5.9 5.7 4.6 5.8 5.7 6 5.2 7 5.4 6.1 8 5.1 6.2 5.9 9. 5.8 6.1 5.7 6.5 10 5.2 5.4 5.2 5.8 6.1 11 5.2 4.6 5.4 12 6.2 5.8 5.1 5.2 13 4.9 4.9 4.9 4.9 14 6.1 6.2 5.9 4.5 15 5.3 5.4 5.4 5.4 6.3 5.6 5.9 4.7 5.2 4.9 16 17 5.4 5.6 5.3 5.4 5.2 18 19 4.7 4.7 5.6 20 6 5.3 5.6 5 21 5.1 6.2 5 5.2 22 5.6 6.1 5.8 5.9 5 23 5.5 6 5.7 24 4.9 4.8 6.1 5.2 5.3 25 4.7 4.9 Obtain an appropriate control chart showing the centerline, control limits and zone boundaries. Is the chart in-control? Justify your answer.
The strength of bricks were monitored and recorded. The table below provides the recorded data for 25 days, each consisting of four observations. Strength (MPa) Day 3 4 4.9 5.8 5.5 5.3 5.6 6.3 5.8 1 2 5.5 5.6 3 5.9 6.2 5.9 5.9 5.9 5.3 4.9 6.3 4 6.4 5.7 6.2 5.9 5.7 4.6 5.8 5.7 6 5.2 7 5.4 6.1 8 5.1 6.2 5.9 9. 5.8 6.1 5.7 6.5 10 5.2 5.4 5.2 5.8 6.1 11 5.2 4.6 5.4 12 6.2 5.8 5.1 5.2 13 4.9 4.9 4.9 4.9 14 6.1 6.2 5.9 4.5 15 5.3 5.4 5.4 5.4 6.3 5.6 5.9 4.7 5.2 4.9 16 17 5.4 5.6 5.3 5.4 5.2 18 19 4.7 4.7 5.6 20 6 5.3 5.6 5 21 5.1 6.2 5 5.2 22 5.6 6.1 5.8 5.9 5 23 5.5 6 5.7 24 4.9 4.8 6.1 5.2 5.3 25 4.7 4.9 Obtain an appropriate control chart showing the centerline, control limits and zone boundaries. Is the chart in-control? Justify your answer.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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