Answered: The business problem facing the…

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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Question

The business problem facing the director of broadcasting operations for a television station was the issue of standby hours and what factors were related to standby hours. The study included the following variables: Standby hours (Y) – Total number of standby hours in a week Weekly staff count (X1) – Weekly total of people-days Remote engineering hours (X2) – Total number of engineering hours worked by employees at locations away from the central plant Data were collected for 26 weeks. (See image attached) A)Interpret the meaning of the coefficients b1 and b2 in this problem B) What is the significance of b0? C) Predict the mean standby hours for a week in which the weekly staff count was 310 people-days and the remote-engineering hours total was 400

Standby_hours_(Y) Total_Staff_Present(X1)
Remote_Hours_(X2)
247
338
414
177
333
600
269
358
656
211
372
631
196
337
528
135
289
419
195
334
382
118
293
399
116
325
343
147
311
338
154
304
353
146
312
289
115
283
388
161
307
402
274
322
151
245
335
228
201
350
271
183
339
440
237
327
475
175
328
347
152
319
449
188
325
336
188
322
267
197
317
235
261
315
164
232
331
270

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