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A regression analysis relating a company's sales, their advertising expenditure, price, and time resulted in the following.
a.At 95% confidence, determine whether or not the regression model is significant. Fully explain how you arrived at your conclusion (give numerical reasoning) and what your answer indicates.
b.At 95% confidence determine which variables are significant and which are not. Explain how you arrived at your conclusion (Give numerical reasoning).
c.Fully explain the meaning of R-square, which is given in this model. Be very specific and give numerical explanation.
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The belief or ideology that white people are superior to those of other races and should therefore dominate society.
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An early 20th century organization in the United States that advocated for the limitation of immigration, particularly from southern and eastern Europe.
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A historic city in Massachusetts, United States, known for its significant role in the American Revolution.
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