STATISTICS F/BUSINESS+ECONOMICS-TEXT
13th Edition
ISBN: 9781305881884
Author: Anderson
Publisher: CENGAGE L
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Textbook Question
Chapter 17.3, Problem 16E
The U.S. Census Bureau tracks the
| Year | Price ($1000s) | Year | Price ($1000s) |
| 1990 | 130.0 | 2001 | 175.2 |
| 1991 | 121.0 | 2002 | 187.1 |
| 1992 | 120.0 | 2003 | 189.5 |
| 1993 | 127.0 | 2004 | 222.3 |
| 1994 | 129.0 | 2005 | 236.3 |
| 1995 | 134.0 | 2006 | 257.0 |
| 1996 | 140.0 | 2007 | 242.5 |
| 1997 | 150.0 | 2008 | 246.4 |
| 1998 | 148.0 | 2009 | 219.2 |
| 1999 | 159.9 | 2010 | 208.3 |
| 2000 | 162.6 | 2011 | 224.7 |
- a. Construct a time series plot. Comment on any pattern you observe. Discuss some of the factors that may have resulted in this time series plot.
- b. Given the time series plot in part (a), do you think the forecasting methods developed in this section are appropriate for this time series? Explain.
- c. To forecast a value for April 2012, how much of the past data would you use? Explain.
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In 2011 home prices and mortgage rates dropped so low that in a number of cities the monthly cost of owning a home was less expensive than renting. The following data show the average asking rent for 10 markets and the monthly mortgage on the median priced home (including taxes and insurance) for 10 cities where the average monthly mortgage payment was less than the average asking rent (The Wall Street Journal, November 26–27, 2011).Click on the datafile logo to reference the data.
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In 2009-2012, the value of precious metals changed rapidly. The data in the accompanying table represents the total rate of return (in percentage) for platinum, gold, and silver from 2009
through 2012. Complete parts (a) through (c) below.
Click the icon to view data table for total rate of return for platinum, gold, and silver.
Click the icon to view the geometric mean rate of return for stock market indices.
a. Compute the geometric mean rate of return per year for platinum, gold, and silver from 2009 through 2012.
The geometric mean rate of return for platinum during this time period was %.
(Type an integer or decimal rounded to two decimal places as needed.)
Geometric mean rate of return for stock market indices
Stock indices Geometric mean rate of return
9.38%
11.89%
17.36%
A
B
C
Print
Done
D
Data table for total rate of return
56.8
Year Platinum Gold Silver
2012 6.4 0.6
2011 - 21.2 10.4 -9.3
2010 22.1 29.8 14.4
2009
53.5 23.8 46.7
Print
Done
- X
A
1
Year
2 2010
3 2011
4
2012
5 2013
6 2014
7 2015
8 2016
9 2017
10 2018
11 2019
12
17
B
Price
220100
226300
242700
261900
283100
303300
310100
326100
335200
318600
с
CPI
218.06
224.94
229.59
232.96
236.74
237.02
240.01
245.12
251.11
255.66
D
Chapter 17 Solutions
STATISTICS F/BUSINESS+ECONOMICS-TEXT
Ch. 17.2 - Consider the following time series data. Week 1 2...Ch. 17.2 - Refer to the time series data in exercise 1. Using...Ch. 17.2 - Exercises 1 and 2 used different forecasting...Ch. 17.2 - Consider the following time series data. Month 1 2...Ch. 17.3 - Consider the following time series data. Week 1 2...Ch. 17.3 - Consider the following time series data. Month 1 2...Ch. 17.3 - Refer to the gasoline sales time series data in...Ch. 17.3 - Refer again to the gasoline sales time series data...Ch. 17.3 - With the gasoline time series data from Table...Ch. 17.3 - With a smoothing constant of = .2, equation...
Ch. 17.3 - For the Hawkins Company, the monthly percentages...Ch. 17.3 - Corporate triple-A bond interest rates for 12...Ch. 17.3 - The values of Alabama building contracts (in ...Ch. 17.3 - The following time series shows the sales of a...Ch. 17.3 - Ten weeks of data on the Commodity Futures Index...Ch. 17.3 - The U.S. Census Bureau tracks the median price for...Ch. 17.4 - Consider the following time series data. a....Ch. 17.4 - Prob. 18ECh. 17.4 - Consider the following time series. a. Construct a...Ch. 17.4 - Prob. 20ECh. 17.4 - Prob. 21ECh. 17.4 - The Seneca Childrens Fund (SCF) is a local charity...Ch. 17.4 - The following table shows Googles annual revenue...Ch. 17.4 - FRED (Federal Reserve Economic Data), a database...Ch. 17.4 - Quarterly revenue ( millions) for Twitter for the...Ch. 17.4 - Giovanni Food Products produces and sells frozen...Ch. 17.4 - Prob. 27ECh. 17.5 - Consider the following time series. a. Construct a...Ch. 17.5 - Consider the following time series data. a....Ch. 17.5 - The quarterly sales data (number of copies sold)...Ch. 17.5 - Air pollution control specialists in southern...Ch. 17.5 - South Shore Construction builds permanent docks...Ch. 17.5 - Prob. 33ECh. 17.5 - Three years of monthly lawn-maintenance expenses...Ch. 17.6 - Consider the following time series data. a....Ch. 17.6 - Refer to exercise 35. a. Deseasonalize the time...Ch. 17.6 - The quarterly sales data (number of copies sold)...Ch. 17.6 - Three years of monthly lawn-maintenance expenses...Ch. 17.6 - Air pollution control specialists in southern...Ch. 17.6 - Electric power consumption is measured in...Ch. 17 - The weekly demand (in cases) for a particular...Ch. 17 - The following table reports the percentage of...Ch. 17 - United Dairies. Inc., supplies milk to several...Ch. 17 - The data contained in the DATAfile named CrudeCost...Ch. 17 - Annual retail store revenue for Apple from 2007 to...Ch. 17 - The Mayfair Department Store in Davenport, Iowa,...Ch. 17 - Prob. 47SECh. 17 - The Costello Music Company has been in business...Ch. 17 - Consider the Costello Music Company problem in...Ch. 17 - Refer to the Costello Music Company problem in...Ch. 17 - Refer to the Costello Music Company time series in...Ch. 17 - Hudson Marine has been an authorized dealer for CD...Ch. 17 - Refer to the Hudson Marine problem in exercise 52....Ch. 17 - Refer to the Hudson Marine problem in exercise 53....Ch. 17 - Refer to the Hudson Marine data in exercise 53. a....Ch. 17 - Forecasting Food and Beverage Sales The Vintage...Ch. 17 - Forecasting Lost Sales The Carlson Department...
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