Continue monitoring the process. A second ten days of data have been collected, see table labeled “2nd 10 Days of Monitoring Reservation Processing Time” in the Data File. Develop Xbar and R charts for the 2nd 10 days of monitoring. Plot the data for the 2nd 10 days on the Xbar and R charts. Is the reservation process for the 2nd 10 days of monitoring in control?  If the control chart indicates an out-of-control process, note which days, the pattern, and whether it is the Xbar or R chart.   Based on the X-bar and R Charts that you developed for the 2nd 10 days of data, is the process in control?   Group of answer choices No. The X-bar and R Charts are both out of control. No. The X-bar Chart is in control, but the R Chart is out of control. No. The R Chart is in control, but the X-bar Chart is out of control. Yes. The X-bar and R Charts are both in control.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Related questions
Question
  1. Continue monitoring the process. A second ten days of data have been collected, see table labeled “2nd 10 Days of Monitoring Reservation Processing Time” in the Data File.
    1. Develop Xbar and R charts for the 2nd 10 days of monitoring. Plot the data for the 2nd 10 days on the Xbar and R charts.
    2. Is the reservation process for the 2nd 10 days of monitoring in control?  If the control chart indicates an out-of-control process, note which days, the pattern, and whether it is the Xbar or R chart.

 

Based on the X-bar and R Charts that you developed for the 2nd 10 days of data, is the process in control?

 

Group of answer choices

No. The X-bar and R Charts are both out of control.

No. The X-bar Chart is in control, but the R Chart is out of control.

No. The R Chart is in control, but the X-bar Chart is out of control.

Yes. The X-bar and R Charts are both in control.

A
B
C
1 RESERVATION TIME in MINUTES
2
3
456780
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Day
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Ready
Data Set
1
4.5
3.7
4.3
3.7
4.4
3.5
4.5
3.6
4.4
4.3
3.7
4.5
4.2
4.2
3.7
4.6
4.2
4.4
4.2
4.3
4.6
4.1
3.6
4.1
4.3
4.4
3.6
3.5
4.5
4.4
+
2
3.8
4.6
3.5
3.7
4.6
3.5
4.3
3.6
3.5
4.3
3.5
3.5
4.3
4.2
4.5
4.4
3.5
3.4
3.4
4.5
4.6
4.3
4.0
4.5
4.1
4.6
3.8
3.5
4.2
3.5
D
Accessibility: Good to go
3
3.9
4.2
4.2
4.4
3.8
4.3
4.1
4.4
4.6
4.0
4.2
3.8
3.4
4.0
4.6
4.5
4.4
3.6
3.4
4.5
4.0
3.6
3.6
3.6
3.5
4.5
4.0
4.3
3.9
4.1
E
4
4.4
3.9
4.1
4.4
4.6
4.3
4.5
3.7
3.6
3.5
3.7
4.2
4.4
3.8
3.5
3.8
3.4
3.9
4.3
3.6
4.4
4.5
3.4
3.9
3.9
4.4
3.7
4.2
3.8
4.1
TI
F
5
4.0
3.9
4.3
3.6
4.3
3.4
3.5
3.8
4.1
3.8
3.9
4.1
3.6
4.1
3.5
4.3
3.7
4.3
4.0
3.6
3.9
3.8
3.5
3.4
3.5
4.2
3.9
4.6
4.0
4.4
G
H
Day
1
2
3
4
5
6
7
8
9
10
I
Day
1
2
3
4
5
6
7
8
9
10
1st 10 Days of Monitoring Reservation Processing Time
1
3
4
3.5
4.4
4.9
3.9
4.2
3.3
4.3
5.1
5.2
3.5
J
5.0
4.3
4.4
4.2
4.3
4.2
3.7
4.0
4.2
4.0
2
4.5
3.5
3.2
ا ب ا ب ا ب
3.7
3.8
3.6
4.6
5.2
3.3
3.8
K
2
4.3
4.1
4.4
3.8
4.1
4.3
3.6
4.3
4.6
4.4
3.4
4.3
3.4
3.5
3.4
4.4
4.1
2.8
3.9
4.5
L
2nd 10 Days of Monitoring Reservation Processing Time
1
3
4
4.1
4.3
4.2
4.0
4.2
4.2
4.6
4.3
4.1
4.2
4.7
3.1
3.1
4.6
4.3
4.9
4.8
4.9
5.1
3.8
M
4.5
4.3
4.1
4.9
4.3
4.3
3.4
4.0
4.0
4.4
5
5.0
3.1
4.9
3.1
3.5
3.3
4.4
4.2
3.3
5.1
5
4.2
4.2
4.0
4.1
4.2
4.4
3.8
4.3
3.8
4.2
N
O
P
Q
R
S
B
II
T
I
U
V
+
115%
W
Transcribed Image Text:A B C 1 RESERVATION TIME in MINUTES 2 3 456780 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Ready Data Set 1 4.5 3.7 4.3 3.7 4.4 3.5 4.5 3.6 4.4 4.3 3.7 4.5 4.2 4.2 3.7 4.6 4.2 4.4 4.2 4.3 4.6 4.1 3.6 4.1 4.3 4.4 3.6 3.5 4.5 4.4 + 2 3.8 4.6 3.5 3.7 4.6 3.5 4.3 3.6 3.5 4.3 3.5 3.5 4.3 4.2 4.5 4.4 3.5 3.4 3.4 4.5 4.6 4.3 4.0 4.5 4.1 4.6 3.8 3.5 4.2 3.5 D Accessibility: Good to go 3 3.9 4.2 4.2 4.4 3.8 4.3 4.1 4.4 4.6 4.0 4.2 3.8 3.4 4.0 4.6 4.5 4.4 3.6 3.4 4.5 4.0 3.6 3.6 3.6 3.5 4.5 4.0 4.3 3.9 4.1 E 4 4.4 3.9 4.1 4.4 4.6 4.3 4.5 3.7 3.6 3.5 3.7 4.2 4.4 3.8 3.5 3.8 3.4 3.9 4.3 3.6 4.4 4.5 3.4 3.9 3.9 4.4 3.7 4.2 3.8 4.1 TI F 5 4.0 3.9 4.3 3.6 4.3 3.4 3.5 3.8 4.1 3.8 3.9 4.1 3.6 4.1 3.5 4.3 3.7 4.3 4.0 3.6 3.9 3.8 3.5 3.4 3.5 4.2 3.9 4.6 4.0 4.4 G H Day 1 2 3 4 5 6 7 8 9 10 I Day 1 2 3 4 5 6 7 8 9 10 1st 10 Days of Monitoring Reservation Processing Time 1 3 4 3.5 4.4 4.9 3.9 4.2 3.3 4.3 5.1 5.2 3.5 J 5.0 4.3 4.4 4.2 4.3 4.2 3.7 4.0 4.2 4.0 2 4.5 3.5 3.2 ا ب ا ب ا ب 3.7 3.8 3.6 4.6 5.2 3.3 3.8 K 2 4.3 4.1 4.4 3.8 4.1 4.3 3.6 4.3 4.6 4.4 3.4 4.3 3.4 3.5 3.4 4.4 4.1 2.8 3.9 4.5 L 2nd 10 Days of Monitoring Reservation Processing Time 1 3 4 4.1 4.3 4.2 4.0 4.2 4.2 4.6 4.3 4.1 4.2 4.7 3.1 3.1 4.6 4.3 4.9 4.8 4.9 5.1 3.8 M 4.5 4.3 4.1 4.9 4.3 4.3 3.4 4.0 4.0 4.4 5 5.0 3.1 4.9 3.1 3.5 3.3 4.4 4.2 3.3 5.1 5 4.2 4.2 4.0 4.1 4.2 4.4 3.8 4.3 3.8 4.2 N O P Q R S B II T I U V + 115% W
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