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Hw04
Linear Regression of Two Variables
In homework assignment #2, I asked you to graph the scatter plot of the data set of overall tax returns vs overall tax exemptions.
In this assignment, I want you to plot that scatter plot again (it's okay, use that old code). This time, I want you to compute the linear regression of the data set and report the slope and the y-intercept.
Question that you must answer for full credit
Los Angeles Count, CA had 8,405,456 tax returns and 4,005,895 tax exemptions. Cook County, IL had 4,754,875 tax returns and 2,350,974 tax exemptions.
If 1 million tax payers moved from Los Angeles County, CA to Cook County, IL, how many tax exceptions would be expected for both Los Angeles County and Cook County the following year? Justify your answer.