A company that supplies gasoline to a city has recorded the weeklyusage (tons/week) for the past 3 years. The file BA2854GasolineRecord.xlsxcontains this record.(a) Propose a method for predicting the demand for gasoline. Use thatmethod to forecast demand for next year (weeks 157 to 208).(b) Improve your prediction in part (a) by including a statement about demand variability. (Hint: Look at or the range of the data.)weekdemand (tons)11174.521316.23119741127.351193.161260.771378.281273.791366.4101113111177.7121056131291.2141269.1151289.6161181171249181212191286.2201204.8211266.2221332.4231236.3241266.1251415.3261100.1271208.1281505.1291282.7301190.5311152.8321089.7331404.7341308.6351255.4361106.7371484.6381317.4391294.7401154411449.9421174.9431466.9441282.4451228461174471196.2481443.8491309.1501250.8511222.8521409.9531147.3541342.7551220.3561211571293.3581256.6591303.2601204.9611129.1621481.5631230.2641264.165953.7661248.9671172.2681253.5691393.7701245.271995.8721211731319.4741282.2751257.5761309.5771153.7781148.4791346.8801298.2811294.8821387.5831119.3841195.8851364.7861107.9871259881155.9891288.9901098.7911293.5921289.6931442.4941233.1951133.7961151.5971120.5981401.39912731001176.11011204.51021238.31031282.410412051051316.51061184.51071309.21081362.81091174.71101258.51111290.11121188.11131097.911412841151256.511612911171131.51181139.71191323.81201285.91211214.11221164.51231405.41241352.71251305.11261162.21271217.11281348.41291410.813013261311349.51321370.51331293.51341266.41351271.71361099.91371295.71381254.51391219.71401222.51411296.81421271.31431349.51441303.91451254.2146980.51471348.81481407.214912981501205.41511401.9152903.21531139.31541182.41551349.71561411.7

Answered: tons/week) for the past 3 years. 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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A company that supplies gasoline to a city has recorded the weekly
usage (tons/week) for the past 3 years. The file BA2854GasolineRecord.xlsx
contains this record.
(a) Propose a method for predicting the demand for gasoline. Use that
method to forecast demand for next year (weeks 157 to 208).
(b) Improve your prediction in part (a) by including a statement about demand variability. (Hint: Look at or the range of the data.)

week	demand (tons)
1	1174.5
2	1316.2
3	1197
4	1127.3
5	1193.1
6	1260.7
7	1378.2
8	1273.7
9	1366.4
10	1113
11	1177.7
12	1056
13	1291.2
14	1269.1
15	1289.6
16	1181
17	1249
18	1212
19	1286.2
20	1204.8
21	1266.2
22	1332.4
23	1236.3
24	1266.1
25	1415.3
26	1100.1
27	1208.1
28	1505.1
29	1282.7
30	1190.5
31	1152.8
32	1089.7
33	1404.7
34	1308.6
35	1255.4
36	1106.7
37	1484.6
38	1317.4
39	1294.7
40	1154
41	1449.9
42	1174.9
43	1466.9
44	1282.4
45	1228
46	1174
47	1196.2
48	1443.8
49	1309.1
50	1250.8
51	1222.8
52	1409.9
53	1147.3
54	1342.7
55	1220.3
56	1211
57	1293.3
58	1256.6
59	1303.2
60	1204.9
61	1129.1
62	1481.5
63	1230.2
64	1264.1
65	953.7
66	1248.9
67	1172.2
68	1253.5
69	1393.7
70	1245.2
71	995.8
72	1211
73	1319.4
74	1282.2
75	1257.5
76	1309.5
77	1153.7
78	1148.4
79	1346.8
80	1298.2
81	1294.8
82	1387.5
83	1119.3
84	1195.8
85	1364.7
86	1107.9
87	1259
88	1155.9
89	1288.9
90	1098.7
91	1293.5
92	1289.6
93	1442.4
94	1233.1
95	1133.7
96	1151.5
97	1120.5
98	1401.3
99	1273
100	1176.1
101	1204.5
102	1238.3
103	1282.4
104	1205
105	1316.5
106	1184.5
107	1309.2
108	1362.8
109	1174.7
110	1258.5
111	1290.1
112	1188.1
113	1097.9
114	1284
115	1256.5
116	1291
117	1131.5
118	1139.7
119	1323.8
120	1285.9
121	1214.1
122	1164.5
123	1405.4
124	1352.7
125	1305.1
126	1162.2
127	1217.1
128	1348.4
129	1410.8
130	1326
131	1349.5
132	1370.5
133	1293.5
134	1266.4
135	1271.7
136	1099.9
137	1295.7
138	1254.5
139	1219.7
140	1222.5
141	1296.8
142	1271.3
143	1349.5
144	1303.9
145	1254.2
146	980.5
147	1348.8
148	1407.2
149	1298
150	1205.4
151	1401.9
152	903.2
153	1139.3
154	1182.4
155	1349.7
156	1411.7

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