Table 5 ARL values for the parametric values \(\theta = 1.0\), \(\lambda = 1.0\) and n = 20 under truncated life test.

From: A time truncated attribute control chart to monitor urgent physiological investigations turnaround times

\(ARL_{0}\)

200

250

300

370

500

\(l\)

2.891

2.956

2.937

3.031

3.158

\(a\)

0.8493

0.7648

0.9456

0.978

0.8086

\(s\)

\(ARL_{1}\)

\(ARL_{1}\)

\(ARL_{1}\)

\(ARL_{1}\)

\(ARL_{1}\)

0.10

1.00

1.00

1.00

1.00

1.00

0.20

1.00

1.00

1.00

1.01

1.00

0.30

1.02

1.01

1.03

1.10

1.03

0.40

1.16

1.13

1.21

1.47

1.23

0.50

1.70

1.64

1.82

2.63

1.97

0.60

3.35

3.24

3.60

6.19

4.33

0.70

8.52

8.39

9.00

18.26

12.44

0.80

26.25

26.41

27.11

63.68

43.10

0.85

48.27

49.15

49.54

123.09

84.09

0.90

88.69

92.22

92.55

230.53

165.80

0.95

150.61

165.55

172.67

359.57

314.46

1.00

200.00

250.14

300.09

370.89

500.06

1.05

183.26

230.37

272.58

260.20

446.11

1.10

130.16

213.35

256.66

158.68

415.36

1.15

85.63

146.48

232.79

96.71

271.67

1.20

56.79

98.52

175.34

61.28

174.81

1.30

27.66

48.07

75.14

28.09

79.22

1.40

15.46

26.61

37.00

15.02

41.25

1.50

9.66

16.40

20.69

9.08

24.13

1.60

6.60

11.00

12.83

6.06

15.48

1.70

4.83

7.90

8.65

4.36

10.70

1.80

3.75

6.00

6.23

3.34

7.84

1.90

3.04

4.75

4.75

2.69

6.04

2.00

2.55

3.91

3.78

2.26

4.84

2.50

1.52

2.08

1.87

1.37

2.37

3.00

1.22

1.53

1.37

1.14

1.66

3.50

1.11

1.30

1.18

1.06

1.37

4.00

1.06

1.18

1.09

1.02

1.23