Table 2 DS-I (19 weeks)- (Failure data from PL/I database application).

From: Software belief reliability growth model incorporating change point and imperfect debugging based on uncertain differential equation approach

Weeks

Cumulative

execution time

(CPU hours)

Cumulative

number of

detected faults

Weeks

Cumulative

execution time

(CPU hours)

Cumulative

number of

detected faults

1

2.45

15

11

26.23

233

2

4.9

44

12

27.6

255

3

6.86

66

13

30.93

276

4

7.84

103

14

34.77

298

5

9.52

105

15

38.61

304

6

12.89

110

16

40.91

311

7

17.1

146

17

42.67

320

8

20.47

175

18

44.66

325

9

21.43

179

19

47.65

328

10

23.35

206

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