A regression model relating units sold (Y), price (X1), and whether or not promotion was used (X2 = 1 if promotion was used and 0 if it was not) resulted in the following model. 
and the following information is provided. 
a.Is price a significant variable?
b.Is promotion significant?
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Patriarchy
A social system in which men hold primary power and predominate in roles of political leadership, moral authority, social privilege, and control of property.
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Residents or natives of Ontario, which is a province located in east-central Canada.
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