RES342 Week 5 DQs - StudentOfFortune.com

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Karla3333
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$15.00 RES342 Week 5 DQs

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Due on Nov. 06, 2009
Asked on Nov 03, 2009 at 4:30:26PM

Q:

Please help with DQs with detailed explanations.

DQ1

What are the components of a time series?

What external factors might affect each of the different components?

DQ2

Why is the trend commonly thought to be the most important component of forecasting?

How is the linear trend method related to linear regression?

Why are simple moving averages and weighted averages commonly used forms of forecasting?

DQ3

What is an index number as relates to time series analysis?

In a regression of a time series that states data as a function of calendar year, what requirement of regression is violated?

How can one overcome this requirement and still perform a successful time series analysis?

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Posted by:

JillatUniversityofPh
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$12.95 Answered in detail. A+

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Posted on Nov 03, 2009 at 5:15:04PM

A:
Preview: ... tion, demographic characteristics of the population, technology and consumer preferences. DQ2 The trend commonly thought to be the most important component of forecasting is Because, you can't forecast based on sporadic data. It's just not possible. You can't predict something that you don't know. Trends are often used to indicate the most likely occurrences in the forecas ...

The full tutorial is about 320 words long .

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genie09

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$8.00 DQ1 and DQ2

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Posted on Nov 04, 2009 at 07:02:16PM

A:
Preview: ... e detailed ...

The full tutorial is about 10 words long plus attachments.

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time series analysis.docx (17K) (Preview)