Question: Shown below are dollar figures for commercial and industrial loans

Shown below are dollar figures for commercial and industrial loans at all commercial banks in the United States as recorded for the month of April during a recent 9-year period and published by the Federal Reserve Bank of St. Louis. Plot the data, fit a trend line, and discuss the strength of the regression model. In addition, explore a quadratic trend and compare the results of the two models.
Year ... Loans ($ billions)
1 ..... 741.0
2 ..... 807.4
3 ...... 871.3
4 ..... 951.6
5 ...... 1,033.6
6 ..... 1,089.8
7 ...... 1,002.6
8 ...... 940.8
9 ..... 888.5



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  • CreatedFebruary 19, 2015
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