Based on the following X-bar Chart for the 2nd 10 days of Monitoring, identify ALL of the patterns that require investigation. Points off for incorrect selections. 2nd 10 days Monitor Reservation Processing Time X-bar Chart Minutes 4.70 4.50 4.30 4.10 3.90 3.70 3.50 1 2 3 4 Day 1 is near the upper control limit. 5 6 Sample / Day 7 There is a run of six in a row above the centerline from days 1-6. Day 7 is below the lower control limit. 8 9 10 Xbar UCLX LCLX Centerline In addition to a run above the centerline, 9 out of 10 days are above the centerline, which is a pattern (not random) and assignable variation.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Based on the following X-bar Chart for the 2nd 10 days of Monitoring, identify ALL of the
patterns that require investigation. Points off for incorrect selections.
2nd 10 days Monitor Reservation Processing Time X-bar Chart
Minutes
4.70
4.50
4.30
4.10
3.90
3.70
3.50
1
2
3
4
5
6
Sample / Day
F
Day 7 is below the lower control limit.
7
8
There is a run of six in a row above the centerline from days 1-6.
Day 1 is near the upper control limit.
9
10
Xbar
UCLX
-LCLx
-Centerline
In addition to a run above the centerline, 9 out of 10 days are above the centerline, which is a pattern (not
random) and assignable variation.
Transcribed Image Text:Based on the following X-bar Chart for the 2nd 10 days of Monitoring, identify ALL of the patterns that require investigation. Points off for incorrect selections. 2nd 10 days Monitor Reservation Processing Time X-bar Chart Minutes 4.70 4.50 4.30 4.10 3.90 3.70 3.50 1 2 3 4 5 6 Sample / Day F Day 7 is below the lower control limit. 7 8 There is a run of six in a row above the centerline from days 1-6. Day 1 is near the upper control limit. 9 10 Xbar UCLX -LCLx -Centerline In addition to a run above the centerline, 9 out of 10 days are above the centerline, which is a pattern (not random) and assignable variation.
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