Recall the company you selected in Ch3. Give an example of when the company might need a dummy variable in their regression an
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Get it written →Question: Recall the company you selected in Ch3. Give an example of when the company might need a dummy variable in their regression analysis and how they should define the dummy variable. Examples include but are not limited to: their sales may be quite seasonal; their sales may vary in different age groups or in different areas, etc.
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