New-car sales of a dealer during the past year are shown in the following table, along with

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New-car sales of a dealer during the past year are shown in the following table, along with monthly seasonal relatives.
New-car sales of a dealer during the past year are

a. Plot the data. Does there seem to be a trend?
b. Deseasonalize the new car sales.
c. Plot the deseasonalized data on die same graph, as the original data. Comment on the two plots.

Dealer
A dealer in the securities market is an individual or firm who stands ready and willing to buy a security for its own account (at its bid price) or sell from its own account (at its ask price). A dealer seeks to profit from the spread between the...
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Operations Management

ISBN: 978-0071091428

4th Canadian edition

Authors: William J Stevenson, Mehran Hojati

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