**Table 1.**

*Typical work measurement form [2].*

**61**

**S/N**

**LN man-hours**

**Y**

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

5.98

3.2581

19.48344

10.6152

35.7604

6.01

3.2189

19.34559

10.3613

36.1201

5.98

3.1781

19.00504

10.1003

35.7604

5.98

3.1355

18.75029

9.8314

35.7604

5.99

3.0918

18.51988

9.5592

35.8801

5.98

3.0445

18.20611

9.2690

35.7604

5.98

2.9957

17.91429

8.9742

35.7604

6.01

2.9444

17.69584

8.6695

36.1201

5.98

2.8903

17.28399

8.3538

35.7604

6.04

2.8332

17.11253

8.0270

36.4816

6.01

2.7725

16.66273

7.6868

36.1201

6.00

2.7080

16.248

7.3333

36.0000

6.04

2.6390

15.93956

6.9643

36.4816

6.04

2.5649

15.492

6.5787

36.4816

6.03

2.4849

14.98395

6.1747

36.3609

6.04

2.3978

14.48271

5.7494

36.4816

6.02

2.3025

13.86105

5.3015

36.2404

6.05

2.1972

13.29306

4.8277

36.6025

6.04

2.0794

12.55958

4.3239

36.4816

6.12

1.9459

11.90891

3.7865

37.4544

6.03

1.7917

10.80395

3.2102

36.3609

6.01

1.6094

9.672494

2.5902

36.1201

6.01

1.3862

8.331062

1.9216

36.1201

6.03

1.1098

6.692094

1.2317

36.3609

6.04

0.6931

4.186324

0.4804

36.4816

6.10

—

0

—

37.2100

9579.295908

9591.644112

4209.966516

3754.35602

455.6104957

−12.348204

−0.0271

−0.063871109

6.08464

**X**

**XY**

**X2**

**Y2**

**n∑XY**

**∑**

**X**

**∑**

**Y**

**n∑**

**X2**

**(∑x)2**

**H-I**

**F-G**

**β = K/J**

**Βẋ**

**α =** 

**Ῡ-βẊ**

**LN cycle no.**

**C**

**D**

**E**

**F**

**G**

**H**

**I**

**J**

**K**

**M**

**N**

**O**

*Measuring Infrastructure Skills Productivity DOI: http://dx.doi.org/10.5772/intechopen.85953*

