Annual retail store revenue for a technology company from 2007 to 2017 are shown below. Year Period 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 35- 25 1 15 10 2 3 4 5 6 7 8 9 10 (a) Construct a time series plot. 11 Retail Store Revenue ($ billions) 3.915 6.110 6.777 9.280 14.327 19.028 20.428 21.662 28.309 26.998 30.703 M 5 0 0 1 2 3 4 5 6 7 8 9 10 11 12 35 30- 25 20 15- 10- 5- 0 0 1 2 3 4 5 6 7 8 9 10 11 12 35 30+ 25+ 20+ 15 10- 5- 0- 0 1 2 3 4 5 6 7 8 9 10 11 12 35 30- 25 AM N 0 0 1 2 3 4 5 6 7 8 9 10 11 12

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(c) Use the trend equation developed in part (b) to forecast retail store revenue (in $ billions) for 2018. (Round your answer to one decimal place.)
$
billion
Transcribed Image Text:(c) Use the trend equation developed in part (b) to forecast retail store revenue (in $ billions) for 2018. (Round your answer to one decimal place.) $ billion
Annual retail store revenue for a technology company from 2007 to 2017 are shown below.
Retail Store Revenue
($ billions)
Year Period
2007
O
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
35
30-
25
20
15
10-
1
5
2
0
3
(a) Construct a time series plot.
4
5
6
7
8
9
10
11
3.915
6.110
6.777
35
30-
25
20
MLNM
15
10-
5
0 +
0 1 2 3 4 5 6 7 8 9 10 11 12
0 1 2 3 4 5 6 7 8 9 10 11 12
Period
9.280
14.327
19.028
20.428
21.662
28.309
26.998
30.703
0 1 2 3 4 5 6 7 8 9 10 11 12
Period
What type of pattern exists in the data?
O The time series plot shows a cyclical pattern.
O The time series plot shows a horizontal pattern.
O The time series plot shows a downward trend.
O The time series plot shows an upward trend.
35
30+
25
20
15+
10
5
0
Period
(b) Using statistical software, develop a linear trend equation for this time series to forecast revenue (in $ billions). (Round your numerical values to four decimal places.)
T₂ =
35
30-
25
20
10
5
0 +
6
7
8
5 6 7 8 9 10 11 12
Period
0 1 2 3 4 5
Ⓡ
Transcribed Image Text:Annual retail store revenue for a technology company from 2007 to 2017 are shown below. Retail Store Revenue ($ billions) Year Period 2007 O 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 35 30- 25 20 15 10- 1 5 2 0 3 (a) Construct a time series plot. 4 5 6 7 8 9 10 11 3.915 6.110 6.777 35 30- 25 20 MLNM 15 10- 5 0 + 0 1 2 3 4 5 6 7 8 9 10 11 12 0 1 2 3 4 5 6 7 8 9 10 11 12 Period 9.280 14.327 19.028 20.428 21.662 28.309 26.998 30.703 0 1 2 3 4 5 6 7 8 9 10 11 12 Period What type of pattern exists in the data? O The time series plot shows a cyclical pattern. O The time series plot shows a horizontal pattern. O The time series plot shows a downward trend. O The time series plot shows an upward trend. 35 30+ 25 20 15+ 10 5 0 Period (b) Using statistical software, develop a linear trend equation for this time series to forecast revenue (in $ billions). (Round your numerical values to four decimal places.) T₂ = 35 30- 25 20 10 5 0 + 6 7 8 5 6 7 8 9 10 11 12 Period 0 1 2 3 4 5 Ⓡ
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