6.5. A hospital emergency department is monitoring the time required to admit a patient using ĩ and R charts. Table 6E.1 presents summary data for 20 subgroups of two patients each (time is in minutes). (a) Use these data to determine the control limits for the i and R control charts for this patient admitting process.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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6.5. A hospital emergency department is monitoring the
time required to admit a patient using and R charts.
Table 6E.1 presents summary data for 20 subgroups
of two patients each (time is in minutes).
(a) Use these data to determine the control limits
for the I and R control charts for this patient
admitting process.
Transcribed Image Text:6.5. A hospital emergency department is monitoring the time required to admit a patient using and R charts. Table 6E.1 presents summary data for 20 subgroups of two patients each (time is in minutes). (a) Use these data to determine the control limits for the I and R control charts for this patient admitting process.
- TABLE 6E.1
Hospital Admission Time Data for Exercise 6.5
Subgroup i R Subgroup
* R
1
8.3
2
11
8.8
3
2
8.1
3
12
9.1
5
3
7.9
1
13
5.9
3
4
6.3
5
14
9.0
8.5
3
15
6.4
3
7.5
4
16
7.3
3
7
8.0
3
17
5.3
8
7.4
18
7.6
4
6.4
2
19
8.1
3
10
7.5
4
20
8.0
2
(b) Plot the preliminary data from the first 20 samples
on the control charts that you set up in part (a).
Is this process in statistical control?
Transcribed Image Text:- TABLE 6E.1 Hospital Admission Time Data for Exercise 6.5 Subgroup i R Subgroup * R 1 8.3 2 11 8.8 3 2 8.1 3 12 9.1 5 3 7.9 1 13 5.9 3 4 6.3 5 14 9.0 8.5 3 15 6.4 3 7.5 4 16 7.3 3 7 8.0 3 17 5.3 8 7.4 18 7.6 4 6.4 2 19 8.1 3 10 7.5 4 20 8.0 2 (b) Plot the preliminary data from the first 20 samples on the control charts that you set up in part (a). Is this process in statistical control?
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