Question

A company want to find out if there is a linear relationship between indirect labor expense...

A company want to find out if there is a linear relationship between indirect labor expense (ILE), in dollars, and direct labor hours (DLH). Data for direct labor hours and indirect labor expense for 25 months are given. Using that data, find the estimated regression equation which can be used to estimate ILE when using DLH as the predictor variable.

DLH(X) ILE(Y)
20 361
25 355
22 376
23 384
20 374
19 311
24 427.2
28 387.5
26 450.8
29 475.2
27 462.6
22 333.3
26 389.9
25 445
28 511
32 501.1
33 544.9
35 423.8
34 574.1
30 535.4
36 444.7
37 578.4
37 399.6
31 355
20 313
  • A. ILE = 0.4291 + 59.4174(DLH)
  • B. ILE = 60.0419 + 2.1355(DLH)
  • C. ILE = 47.5504 + 4.8996(DLH)
  • D. ILE = 171.7567 + 9.3172(DLH)
Math   Statistics-And-Probability   
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Answer #1


The statistic software output for this problem is :

Intercept = 171.7567

slope =   9.3172

ILE = 171.7567 + 9.3172 (DLH)

Option D) is correct .

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