APPLIED STAT.IN BUS.+ECONOMICS
6th Edition
ISBN: 9781259957598
Author: DOANE
Publisher: RENT MCG
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Textbook Question
Chapter 14, Problem 13CR
(a) Why is seasonality irrelevant for annual data? (b) List the steps in deseasonalizing a monthly time series. (c) What is the sum of a monthly seasonal index? A quarterly index?
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Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2014
6.6
6.7
6.7
6.2
6.2
6.1
6.2
6.2
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5.8
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5.5
5.5
5.4
5.5
5.3
5.3
5.1
5.1
5.0
5.0
5.0
Monthly Inflation Rate 2014 – 2015
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2014
1.6
1.6
1.7
1.8
2.0
1.9
1.9
1.7
1.7
1.8
1.7
1.6
2015
1.6
1.7
1.8
1.8
1.7
1.8
1.8
1.8
1.9
1.9
2.0
2.1
Examine the monthly data on the unemployment rate and the inflation rate for 2014-2015
i) What trends do you observe in the unemployment rate? In the inflation rate?
ii) Identify the relationship between Inflation and Unemployment, if any. (positive, negative, no relationship) Use the data to justify your choice.
iii) Does the relationship observed in part 2 satisfy the economists' view of the relationship between inflation…
Relate cycles, seasonality and trends in time series What is their relevance in such type of forecasting?
Chapter 14 Solutions
APPLIED STAT.IN BUS.+ECONOMICS
Ch. 14.2 - (a) Make an Excel graph of the data on the number...Ch. 14.2 - Prob. 3SECh. 14.2 - Prob. 4SECh. 14.2 - Prob. 5SECh. 14.4 - (a) Make an Excel line graph of the exchange rate...Ch. 14.5 - (a) Make an Excel line graph of the following bond...Ch. 14 - Explain the difference between (a) stocks and...Ch. 14 - (a) What is periodicity? (b) Give original...Ch. 14 - (a) What are the distinguishing features of each...Ch. 14 - Name four criteria for assessing a trend forecast.
Ch. 14 - Name two advantages and two disadvantages of each...Ch. 14 - When would the exponential trend model be...Ch. 14 - Explain how to obtain the compound percent growth...Ch. 14 - (a) When might a quadratic model be useful? (b)...Ch. 14 - Name five measures of fit for a trend, and state...Ch. 14 - Prob. 10CRCh. 14 - Prob. 11CRCh. 14 - Prob. 12CRCh. 14 - (a) Why is seasonality irrelevant for annual data?...Ch. 14 - Prob. 14CRCh. 14 - (a) Explain how seasonal binaries can be used to...Ch. 14 - What is the purpose of index numbers?Ch. 14 - (a) Make a line chart for JetBlues revenue. (b)...Ch. 14 - (a) Plot both Swiss watch time series on the same...Ch. 14 - (a) Make a line graph of the U.S. civilian labor...Ch. 14 - (a) Plot the voter participation rate. (b)...Ch. 14 - For each of the following fitted trends, make a...Ch. 14 - (a) Make a line graph of consumer credit...Ch. 14 - (a) Plot the data on U.S. general aviation...Ch. 14 - Prob. 17CECh. 14 - (a) Plot either receipts and outlays or federal...Ch. 14 - Prob. 19CECh. 14 - (a) Plot the data on leisure and hospitality...Ch. 14 - Prob. 21CECh. 14 - Prob. 22CECh. 14 - (a) Plot the data on skier/snowboard visits. (b)...Ch. 14 - Prob. 24CECh. 14 - (a) Plot U.S. petroleum imports on a graph. (b)...Ch. 14 - (a) Make a line chart and fit an m-period moving...Ch. 14 - Refer to exercise 14.26. (a) Plot the dollar/pound...Ch. 14 - (a) Plot the data on natural gas bills. (b) Can...Ch. 14 - (a) Plot the data on air travel delays. (b) Can...Ch. 14 - (a) Plot the data on airplane shipments. (b) Can...Ch. 14 - (a) Plot the data on revolving credit (credit...Ch. 14 - The following seasonal regression was fitted with...Ch. 14 - The following seasonal regression was fitted with...
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