Year Period 1988 1989 1990 1 2 3 Budge ($ billion 3.03 3.29 3.56

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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The general fund budget (in billions of dollars) for a U.S. state for 1988 (period 1) to 2011 (period 24) follows.
Budget
($ billions)
Year Period
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
1
2
3
4
5
6
7
8
00
9
10
11
12
13
14
15
16
17
18
19
20
21
22
3.03
3.29
3.56
4.41
4.46
4.61
4.75
5.15
5.34
5.66
6.11
6.30
6.58
6.75
6.66
6.88
7.08
7.65
8.48
8.57
8.76
8.53
Transcribed Image Text:The general fund budget (in billions of dollars) for a U.S. state for 1988 (period 1) to 2011 (period 24) follows. Budget ($ billions) Year Period 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 1 2 3 4 5 6 7 8 00 9 10 11 12 13 14 15 16 17 18 19 20 21 22 3.03 3.29 3.56 4.41 4.46 4.61 4.75 5.15 5.34 5.66 6.11 6.30 6.58 6.75 6.66 6.88 7.08 7.65 8.48 8.57 8.76 8.53
2010
Budget ($ billions)
2011
23
(a) Construct a time series plot.
10 T
9+
1
0
24
0 5
10
8.23
8.86
15
Period
20
HH
What type of pattern exists in the data?
O The time series plot shows a seasonal pattern.
O The time series plot shows a nonlinear trend.
O The time series plot shows a horizontal pattern.
O The time series plot shows a linear trend.
25
@O
Budget ($ billions)
10
9
2-
1
0
0 5
10
15
Period
20
(c) What is the forecast (in billions of dollars) for period 25? (Round your answer to two decimal places.)
$
billion
25
GO
Budget ($ billions)
10
9
8
1
0
0 5
10
(b) Develop a linear trend equation for this time series to forecast the budget (in billions of dollars). (Round your numerical values to three decimal places.)
Tt=
15
Period
20 25
O
Budget ($ billions)
10
9
2
1
0
0
5
10
15
Period
▬|||||
20
25
Ⓡ
Transcribed Image Text:2010 Budget ($ billions) 2011 23 (a) Construct a time series plot. 10 T 9+ 1 0 24 0 5 10 8.23 8.86 15 Period 20 HH What type of pattern exists in the data? O The time series plot shows a seasonal pattern. O The time series plot shows a nonlinear trend. O The time series plot shows a horizontal pattern. O The time series plot shows a linear trend. 25 @O Budget ($ billions) 10 9 2- 1 0 0 5 10 15 Period 20 (c) What is the forecast (in billions of dollars) for period 25? (Round your answer to two decimal places.) $ billion 25 GO Budget ($ billions) 10 9 8 1 0 0 5 10 (b) Develop a linear trend equation for this time series to forecast the budget (in billions of dollars). (Round your numerical values to three decimal places.) Tt= 15 Period 20 25 O Budget ($ billions) 10 9 2 1 0 0 5 10 15 Period ▬||||| 20 25 Ⓡ
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