Elementary Statistics
12th Edition
ISBN: 9780321836960
Author: Mario F. Triola
Publisher: PEARSON
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Chapter 14.2, Problem 9BSC
To determine
To obtain: The values of
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The annual revenue of Amazon is given in the table below (sourceLinks to an external site.).
Year
Amazon Annual Revenue(Billions of US dollars)
2020
386.064
2019
280.522
2018
232.887
2017
177.866
2016
135.987
2015
107.006
2014
88.988
2013
74.452
2012
61.093
2011
48.077
2010
34.204
In what year will the estimated revenue of Amazon be 1,357 billion US dollars? Note: I am asking for the year, not the number of years since 2010. This may happen between two years. Round to the nearest year.
The following table shows the average monthly distance traveled (in billion miles) by vehicles on urban highways for five
different years.
Urban Highways - Average Monthly Distance Traveled by Vehicles (Billion Miles)
Years Jan
Year 1 4.22
Year 2 4.31
Year 3 4.38
Year 4 4.45
Year 5 4.51
Feb
Mar Apr May Jun
July Aug Sep
Oct
Nov
Dec
5.32
5.21
5.12
4.92
4.49
4.55
4.49
4.44| 4.39
4.37 4.35
4.68 | 4.74 | 4.79
4.88
4.92
5.44
5.34
5.24
4.98
4.59
4.68
4.65
4.61
5.51
5.36
4.63
4.85 4.89
4.98
5.01
5.41
4.71
4.78
4.82
5.59
5.5
5.41
4.72
4.78
4.79
4.82
5.06
5.11
5.65
5.62
5.49
5.12
4.8
4.88
4.82
4.95
5.12
5.22 5.44
a. Construct a time series plot. What type of pattern exists in the data?
b. Use a multiple regression model to develop an equation to account for seasonal effects and any linear trend in the data.
To capture seasonal effects, use the dummy variables Jan = 1 if month is January, 0 otherwise; Feb = 1 if month is
February, 0 otherwise; ...; Nov = 1 if month is November, 0 otherwise; and…
The following table shows the average monthly distance traveled (in billion miles) by vehicles on urban highways for five different years.
Urban Highways - Average Monthly Distance Traveled by Vehicles (Billion Miles)
Years
Jan
Feb
Mar
Apr
May
Jun
July
Aug
Sep
Oct
Nov
Dec
Year 1
4.22
5.32
5.21
5.12
4.92
4.49
4.55
4.49
4.44
4.39
4.37
4.35
Year 2
4.31
5.44
5.34
5.24
4.98
4.59
4.68
4.65
4.61
4.68
4.74
4.79
Year 3
4.38
5.51
5.41
5.36
4.98
4.63
4.71
4.78
4.82
4.88
4.85
4.89
Year 4
4.45
5.59
5.5
5.41
5.01
4.72
4.78
4.79
4.82
4.92
5.06
5.11
Year 5
4.51
5.65
5.62
5.49
5.12
4.8
4.88
4.82
4.95
5.12
5.22
5.44
a. Construct a time series plot. What type of pattern exists in the data?
Chapter 14 Solutions
Elementary Statistics
Ch. 14.2 - Product Specs Table 14-1 lists process data...Ch. 14.2 - Prob. 2BSCCh. 14.2 - Prob. 3BSCCh. 14.2 - Prob. 4BSCCh. 14.2 - Prob. 5BSCCh. 14.2 - Prob. 6BSCCh. 14.2 - Prob. 7BSCCh. 14.2 - Prob. 8BSCCh. 14.2 - Prob. 9BSCCh. 14.2 - Prob. 10BSC
Ch. 14.2 - Prob. 11BSCCh. 14.2 - Prob. 12BSCCh. 14.2 - Prob. 13BBCh. 14.2 - Prob. 14BBCh. 14.3 - Prob. 1BSCCh. 14.3 - Prob. 2BSCCh. 14.3 - Prob. 3BSCCh. 14.3 - Interpreting a Control Chart After constructing a...Ch. 14.3 - Prob. 5BSCCh. 14.3 - Prob. 6BSCCh. 14.3 - Prob. 7BSCCh. 14.3 - Prob. 8BSCCh. 14.3 - Prob. 9BSCCh. 14.3 - Prob. 10BSCCh. 14.3 - Control Charts for p. In Exercises 512, use the...Ch. 14.3 - Prob. 12BSCCh. 14.3 - Prob. 13BBCh. 14 - Prob. 1CQQCh. 14 - Prob. 2CQQCh. 14 - Prob. 3CQQCh. 14 - Prob. 4CQQCh. 14 - Prob. 5CQQCh. 14 - Prob. 6CQQCh. 14 - Prob. 7CQQCh. 14 - Prob. 8CQQCh. 14 - Prob. 9CQQCh. 14 - Examine the following p chart for defective...Ch. 14 - Prob. 1RECh. 14 - Prob. 2RECh. 14 - Prob. 3RECh. 14 - Energy Consumption. Exercises 15 refer to the...Ch. 14 - Prob. 5RECh. 14 - Prob. 1CRECh. 14 - Prob. 2CRECh. 14 - Prob. 3CRECh. 14 - Prob. 4CRECh. 14 - Prob. 5CRECh. 14 - Prob. 6CRECh. 14 - Prob. 7CRECh. 14 - Prob. 8CRECh. 14 - Prob. 9CRECh. 14 - Prob. 10CRECh. 14 - FROM DATA TO DECISION Critical Thinking: Are the...
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