Data Analysis: Electronic Games The table shows the factory sales (in millions of
Chapter 1, Problem 154(choose chapter or problem)
Data Analysis: Electronic Games The table shows the factory sales (in millions of dollars) of electronic gaming software in the United States from 1995 through 2003. (Source: Consumer Electronics Association) (a) Use a graphing utility to create a scatter plot of the data. Let represent the year, with corresponding to 1995. (b) Use the regression feature of the graphing utility to find the equation of the least squares regression line that fits the data. Then graph the model and the scatter plot you found in part (a) in the same viewing window. How closely does the model represent the data? (c) Use the model to estimate the factory sales of electronic gaming software in the year 2008. (d) Interpret the meaning of the slope of the linear model in the context of the problem.
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