Table A3.2: Percentile results for Time and Cost performance

 

Time

Cost

Percentile results

Full period

Stage 1

Stage 2

Stage 3

Full period

Stage 1

Stage 2

Stage 3

PPPs

Maximum

1.64

1.75

1.64

1.51

2.57

2.57

1.42

1.22

P75

1.38

1.31

1.21

1.05

1.05

1.12

1.19

1.01

Median: P50

1.06

1.00

1.09

1.00

1.01

1.00

1.03

1.00

P25

1.00

1.00

0.97

0.93

0.95

0.94

0.98

1.00

Minimum

0.92

0.79

0.76

0.57

0.89

0.88

0.76

0.95

Inter-quartile range (i.e. P75 - P25)

0.38

0.31

0.24

0.12

0.10

0.18

0.21

0.01

Full range (i.e. Maximum -minimum)

0.72

0.96

0.88

0.94

1.68

1.69

0.66

0.27

Traditional projects

Maximum

2.27

1.64

1.59

2.30

9.46

6.84

4.00

4.18

P75

1.27

1.05

1.40

1.43

1.42

1.31

1.28

1.17

Median: P50

1.11

1.00

1.04

1.07

1.10

1.06

1.04

1.04

P25

0.89

0.86

1.00

1.00

1.00

1.00

1.00

1.00

Minimum

0.52

0.43

0.91

0.73

0.81

0.82

0.81

0.85

Inter-quartile range (i.e. P75 - P25)

0.38

0.19

0.40

0.43

0.42

0.31

0.28

0.17

Full range (i.e. Maximum -minimum)

1.75

1.21

0.68

1.57

8.65

6.02

3.19

3.33