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Table 5 The number of absences among shift-workers in a steel industry

From: The Kumaraswamy-geometric distribution

 

Observed

Expected

x-value

Frequency

EEGD

GNBD

KGD

0

7

10.18

9.86

6.52

1

16

16.41

16.44

18.21

2

23

18.30

19.32

21.40

3

20

18.57

19.84

20.92

4

23

18.02

19.09

19.31

5

24

17.03

17.73

17.45

6

12

15.82

16.13

15.64

7

13

14.52

14.50

13.97

8

9

13.22

12.93

12.46

9

9

11.95

11.49

11.11

10

8

10.74

10.17

9.90

11

10

9.62

9.00

8.83

12

8

8.59

7.95

7.87

13

7

7.65

7.02

7.01

14

2 a

6.79

6.21

6.25

15

12 a

6.02

5.49

5.57

16

3 b

5.33

4.86

4.96

17

5 b

4.71

4.30

4.42

18

4 c

4.16

3.81

3.94

19

2 c

3.67

3.38

3.51

20

2 d

3.23

3.00

3.13

21

5 d

2.85

2.67

2.79

22

5 e

2.51

2.38

2.49

23

2 e

2.21

2.11

2.21

24

1 e

1.94

1.88

1.97

25-48

16

13.96

16.44

16.16

Total

248

248

248

248

Parameter

 

α ^ =1.5255(0.1471)

θ ^ =0.0026(0.0001)

α ^ =3.1859(1.6702)

Estimates

 

θ ^ =0.8767(0.0093)

m ^ =1242.96(4.259)

β ^ =0.1292(0.0882)

   

β ^ =254.77(20.785)

q ^ =0.4099(0.2374)

χ 2

 

12.18

9.62

7.78

df

 

17

16

16

p-value

 

0.7891

0.8857

0.9551

AIC

 

1517.8

1517.3

1515.2

Log-likelihood

 

-756.88

-755.66

-754.62

  1. Observed frequencies with the same letters are pooled together.