Table 1 Frequency index and its ranking.

From: An investigation study on residential buildings for cost overrun

S.No.

Category influence Cost overrun

Number of responses

Frequency Index

Ranking

Rarely (4)

Sometimes (3)

Often (2)

Always (1)

1

Periodic Design Changes

6

6

4

2

0.722

6

2

Non-timely payment from Client to contractor

3

8

5

2

0.667

10

3

Inadequate Skilled Labour

8

7

3

0

0.819

3

4

Inadequate supervision

7

6

4

1

0.764

5

5

Non-coordination of Contractor and Designer

4

9

3

2

0.708

8

6

Lack of Inspection by Designer

6

4

5

3

0.681

9

7

Climatic variation on execution of project

3

6

5

4

0.611

11

8

Hike in Materials Cost

2

5

6

5

0.556

12

9

Overall lag in schedule of work

10

6

2

0

0.861

1

10

Rework/ Extra work in Unforeseen situation

9

6

2

1

0.819

2

11

Inadequate design and specification

7

5

6

0

0.764

4

12

Lack of Labour Performance

6

4

7

1

0.708

7