Question: Exercise 5-1 Cont'd roject Estimated work-month Actual Difference a b C d e f g h i 6050/617=9.80 16.70 6.90 Over/under estimate Exercise 5-1

Exercise 5-1 Cont'd roject Estimated work-month Actual Difference a b C d e f g h i 6050/617=9.80 16.70 6.90 Over/under estimate Exercise 5-1 Calculate the productivity, SLOC per work month, of each of the projects in the following table, and also for the organization as a whole. If the project leaders for projects "a" and "d" had correctly estimated the source number of lines of code (SLOC) and then used the average productivity of the organization to calculate the effort needed to complete the project, how far out would their estimate have been from the actual effort? Exercise 5-1 Some project data-effort in work months (as percentage of total effort in brackets) Design Coding Testing Total Project wm (%) wm (%) wm (%) wm SLOC a 3.9 (23) 5.3 (32) 7.4 (44) 16.7 6050 b 2.7 (12) 13.4 (59) 6.5 (26) 22.6 8363 3.5 (11) 26.8 (83) 1.9 (6) 32.2 13334 d 0.8 (21) 2.4 (62) 0.7 (18) 3.9 5942 1.8 (10) 7.7 (44) 7.8 (45) 17.3 3315 f 19.0 (28) 29.7 (44) 19.0 (28) 67.7 38988 g 2.1 (21) 7.4 (74) 0.5 (5) 10.1 38614 h 1.3 (7) 12.7 (66) 5.3 (27) 19.3 12762 8.5 (14) 22.7 (38) 28.2 (47) 59.5 26500 Exercise 5-1 Productivity rates Project Work-months SLOC Productivity (SLOC/month) a b 16.7 6050 362 22.6 8363 370 C 32.2 13334 414 d 3.9 5942 1524 e 17.3 3315 192 67.7 38988 576 i 1119 10.1 38614 3823 h 19.3 12762 661 59.5 26500 445 Overall 249.3 153868 617

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