Consider the following data set for an office structure built by Anderson Construction Co. The completed building is nine stories. However, construction was interrupted by a fire after 5.3357 floors were completed. At the time of the fire, Anderson had used 54,067 hours of labor to construct the first 5.3357 stories of the building. It then took Anderson an additional 40,750 labor hours to complete this nine-story building. In this problem, FLRCOM is the number of floors completed, and HOURS is cumulative labor hours to complete the number of floors given by FLRCOM. Enter the data for FLRCOM and HOURS in Minitab and use one command to create a variable which is the square of FLRCOM. Call this new variable FLRCOMSQ. Estimate the function: HOURS = a + b(FLRCOM) + c(FLRCOMSQ). Graph this equation. Assume that the fire caused construction to slow down and caused a reduction in efficiency in completing the building. Estimate the number of labor hours needed to complete the building if there were no slow down related to the fire. Assume that the relationship that existed between HOURS and FLRCOM and FLRCOMSQ before the fire would have continued to exist to the completion of the building had the fire not occurred. Estimate the extra labor hours traceable to the fire. Row HOURS FLRCOM 1 800 0.0431 2 1575 0.0864 3 2708 0.1564 4 4110 0.2498 5 5721 0.3676 6 7955 0.5319 7 8012 0.5362 8 10765 0.7508 9 13757 1.0098 10 17257 1.3273 11 21121 1.6684 12 22435 1.8007 13 26194 2.1873 14 29971 2.5881 15 30266 2.6262 16 34296 3.0633 17 37027 3.3722 18 41556 3.8899

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Consider the following data set for an office structure built by Anderson Construction Co. The completed building is nine stories. However, construction was interrupted by a fire after 5.3357 floors were completed. At the time of the fire, Anderson had used 54,067 hours of labor to construct the first 5.3357 stories of the building. It then took Anderson an additional 40,750 labor hours to complete this nine-story building.

In this problem, FLRCOM is the number of floors completed, and HOURS is cumulative labor hours to complete the number of floors given by FLRCOM.

Enter the data for FLRCOM and HOURS in Minitab and use one command to create a variable which is the square of FLRCOM. Call this new variable FLRCOMSQ.

Estimate the function:

HOURS = a + b(FLRCOM) + c(FLRCOMSQ).

Graph this equation.
Assume that the fire caused construction to slow down and caused a reduction in efficiency in completing the building. Estimate the number of labor hours needed to complete the building if there were no slow down related to the fire. Assume that the relationship that existed between HOURS and FLRCOM and FLRCOMSQ before the fire would have continued to exist to the completion of the building had the fire not occurred.
Estimate the extra labor hours traceable to the fire.

Row	HOURS	FLRCOM
1	800	0.0431
2	1575	0.0864
3	2708	0.1564
4	4110	0.2498
5	5721	0.3676
6	7955	0.5319
7	8012	0.5362
8	10765	0.7508
9	13757	1.0098
10	17257	1.3273
11	21121	1.6684
12	22435	1.8007
13	26194	2.1873
14	29971	2.5881
15	30266	2.6262
16	34296	3.0633
17	37027	3.3722
18	41556	3.8899

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Assume that the fire caused construction to slow down and caused a reduction in efficiency in completing the building. Estimate the number of labor hours needed to complete the building if there were no slow down related to the fire. Assume that the relationship that existed between HOURS and FLRCOM and FLRCOMSQ before the fire would have continued to exist to the completion of the building had the fire not occurred.
Estimate the extra labor hours traceable to the fire.

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