(a) Construct a time series plot. 10 10 15 20 25 10 15 20 25 10 15 20 25 10 15 20 25 Period Period Period Period What type of pattern exists in the data? O The time series plot shows a linear trend. O The time series plot shows a horizontal pattern. O The time series plot shows a seasonal pattern. O The time series plot shows a nonlinear trend. (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.) (c) What is the forecast (in billions of dollars) for period 257 (Round your answer to two decimal places.) billion Budget ($ billions) Budget ($ billions) Budget ($ billions)

(a) Construct a time series plot. 10 10 15 20 25 10 15 20 25 10 15 20 25 10 15 20 25 Period Period Period Period What type of pattern exists in the data? O The time series plot shows a linear trend. O The time series plot shows a horizontal pattern. O The time series plot shows a seasonal pattern. O The time series plot shows a nonlinear trend. (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.) (c) What is the forecast (in billions of dollars) for period 257 (Round your answer to two decimal places.) billion Budget ($ billions) Budget ($ billions) Budget ($ billions)

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

(a) Construct a time series plot.
10
10-
10
10
15
20
25
5
10
15
20
25
5
10
15
20
25
5
10
15
20
25
Period
Period
Period
Period
00
What type of pattern exists in the data?
O The time series plot shows a linear trend.
O The time series plot shows a horizontal pattern.
O The time series plot shows a seasonal pattern.
O The time series plot shows a nonlinear trend.
(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.)
(c) What is the forecast (in billions of dollars) for period 25? (Round your answer to two decimal places.)
$
| billion
Budget ($ billions)
Budget ($ billions)
Budget ($ billions)
Budget ($ billions)

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
3.03
1989
3.29
1990
3.56
1991
4.31
1992
4.36
1993
6
4.61
1994
7
4.75
1995
8
5.15
1996
5.34
1997
10
5.66
1998
11
6.11
1999
12
6.30
2000
13
6.48
2001
14
6.75
2002
15
6.66
2003
16
6.78
2004
17
7.08
2005
18
7.65
2006
19
8.48
2007
20
8.67
2008
21
8.66
2009
22
8.43
2010
23
8.23
2011
24
8.76
2.
3.
4.

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