Suppose that monthly data on some time series variable exhibits a clear upward trend but no seasonality.

Question:

Suppose that monthly data on some time series variable exhibits a clear upward trend but no seasonality. You decide to use moving averages, with any appropriate span. Will there tend to be a systematic bias in your forecasts? Explain why or why not.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Business Analytics Data Analysis and Decision Making

ISBN: 978-1305947542

6th edition

Authors: S. Christian Albright, Wayne L. Winston

See More Books

Question Posted: Apr 06, 2017 11:37 AM

See More Questions

Suppose that monthly data on some time series variable exhibits obvious seasonality. Can you use moving averages, with any appropriate span, to track the seasonality well? Explain why or why not.
Suppose that quarterly data on some time series variable exhibits obvious seasonality, although the seasonal pattern varies somewhat from year to year. Which method do you believe will work best:...
Consider a data set with monthly data on some variable. The data are arranged so that there is a column for each month, Jan to Dec, and a row for each year. Is it possible to create a single time...
Express the following sum in closed form. 2 k 2 (4 + 3 - 4 ) = n k 1
Making the ratios look good J. Talbot is the accounting manager for Kolla Waste Disposal Corporation. Kolla is having its worst financial year since its inception. The company is expected to report a...
St. Charles Drilling Co. contracted with Osterholt to install a well and water system that would produce a specified quantity of water. The water system failed to meet its warranted capacity, and...
The general solution to Stokes flow in 2D Cartesian coordinates. For the 2D case the governing equation is $abla^{4} \psi=0$. The operator $abla$ may be applied either in Cartesian $(x, y)$ or...
The financial statements for Nike, Inc., are provided in Appendix D at the end of the text. a. Determine the free cash flow for the year ended May 31, 2010. Assume that 90% of additions to property,...
3. (4 points) Consider the following algorithm to find the largest number in a given non-empty array, a, of size N. Give the exact, worst-case running time in terms of N, and the corresponding...
Punk Corporation purchased 90 percent of Soul Companys voting common shares on January 1, 20X2, at underlying book value. At that date, the fair value of the noncontrolling interest was equal to 10...
Is it more appropriate to use an additive or a multiplicative model to forecast seasonal data? Summarize the difference(s) between these two types of seasonal models.
Most companies that use (any version of) exponential smoothing use fairly small smoothing constants such as 0.1 or 0.2. Explain why they don't tend to use larger values.
A hat manufacturer produces hats for (1) retail sales to the public and (2) correctional services as part of a uniform. Which production should it complete first? Why?
Why should an effective tax be efficient? Responses so that people feel the tax is fairso that people feel the tax is fair so that everything is transparentso that everything is transparent so the...
sloan hank and cooper have a capital balances of 24000 46000 and 75000 the partners share profit as 1:1:3 respectively the partnership had a net income of 85000 for the year journilize the closing...
Question 9 Payday Lenders Inc. is subject to the Truth-in-Lending Act, which is a key statute regarding the credit and credit-card industries. It concerns The disclosure of credit terms The...
Capital, January 1 Additional investment Drawings Net income The Partners' Capital Statement for JSB Company reported the following information in total: $233000 79500 150000 207000 The partners...
Have you found mnemonic devices or creative ways of remembering other mathematical or statistical concepts
Assume the same facts as in Problem 31, except that both states employ a three-factor formula, under which sales are double-weighted. The property factor in A is computed using historical cost; this...
Find the cross product a x b and verify that it is orthogonal to both a and b. a = (t, 1, 1/t), b = (t 2 , t 2 , 1)
Consider the given survey data collected from 1000 randomly selected Internet users. The data are in the file P4_5.XLS. Use Excels auto filter tool to answer the following questions: a. What...
Five hundred households in a middle-class neighborhood were recently surveyed as part of an economic development study conducted by the local government. The data are in the file P4_4.XLS. Use Excels...
A human resources manager at Beta Technologies, Inc., has collected current annual salary figures and related data for 52 of the companys full-time employees. The data are in the file P4_3.XLS. a....
A rhino is charging at you, so decide to sedate it with a tranquilizer gun angled at 40 as shown above. The tranquilizer gun can reach a horizontal distance of 49 m when angled at 45. (Assume ideal...
What is the definition of motivation and how can the chef foster an environment of motivation in the kitchen? What methods can a chef implement to motivate the kitchen team? What factors contribute...
Article Review Read the article. Link is given below: https://www.projecttimes.com/articles/avoid-the-top-three-real-causes-of-scope-creep.html Post your thoughts on this article, add references if...

Suppose that monthly data on some time series variable exhibits a clear upward trend but no seasonality.

Question:

Step by Step Answer:

The forecasts will tend to stay too low After all youre basin...View the full answer

Business Analytics Data Analysis and Decision Making

Students also viewed these Statistics questions