Question

Problem 3-33 A manager uses this equation to predict demand for landscaping services: F10- 4t Over the past eight periods, demand has been as follows 1 2 15 220 Je 30 40 40 45 7 8 Period, t: Demand 4 5 ook Compute the tracking signals for Periods 1-8. (Negative values should be indicated by a minus sign. Round your intermediete calculations and final answers to 3 decimal places.) ring Tracklng signal Perlod, t 2 ances 4 Chtr 1 P M <Prey Next

Answer 1

period,t	Demand	Ft	FE(Demand -Ft)	|FE|	RSFE	MAD(|FE|/t)	TRACKING SIGNAL(RSFE/MAD)
1	15	14	1	1	1	1	1
2	20	18	2	2	3	1	3
3	20	22	-2	2	1	0.666666667	1.5
4	30	26	4	4	5	1	5
5	30	30	0	0	5	0	0
6	40	34	6	6	11	1	11
7	40	38	2	2	13	0.285714286	45.5
8	45	42	3	3	16	0.375	42.667

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period,t
1
2
3
4
5
6
7
8

TRACKING SIGNAL(RSFE/MAD)
1
3
1.5
5
0
11
45.5
42.667