The following table shows retail sales in drug stores in billions of dollars in the U.S....
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The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1990. Year Retail Sales 0 3 n 6 86.851 107.926 141.781 168.256 201.797 221.766 9 12 15 Let S be the retails sales in billions of dollars in t years since 1990. A linear model, Model A, for the data is S 9.36t+ 84.54. 220- 210- 200 190- 180 170- 160 150- 140- 130- 120- 110- 100- 90 80 3 9 12 15 a) Use the above scatter plot to decide whether the linear model A fits the data well. The function is not a good model for the data O The function is a good model for the data. b) According to the model, the retails sales in the U. S. in 2014 will be approximately dollars. (Round to nearest billion.) c) Use the model to predict the year in which retails sales will be $237 billion. billions of Enter an integer or decimal number [more..] The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1990. Year Retail Sales 0 3 n 6 86.851 107.926 141.781 168.256 201.797 221.766 9 12 15 Let S be the retails sales in billions of dollars in t years since 1990. A linear model, Model A, for the data is S 9.36t+ 84.54. 220- 210- 200 190- 180 170- 160 150- 140- 130- 120- 110- 100- 90 80 3 9 12 15 a) Use the above scatter plot to decide whether the linear model A fits the data well. The function is not a good model for the data O The function is a good model for the data. b) According to the model, the retails sales in the U. S. in 2014 will be approximately dollars. (Round to nearest billion.) c) Use the model to predict the year in which retails sales will be $237 billion. billions of Enter an integer or decimal number [more..]
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Answer Regression equation is Ft944t84182 1 t 2011 1995 16 setting t 16 we ... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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