Concept explainers
Electricity The table shows the residential prices of electricity (in cents per kilowatt-hour) for the years 2006 through 2014. (Source: U.S. Energy Information Administration)
Year | 2006 | 2007 | 2008 | 2009 | 2010 | |
Price | 10.40 | 10.65 | 11.26 | 11.51 | 11.54 | |
Year | 2011 | 2012 | 2013 | 2014 | ||
Price | 11.72 | 11.88 | 12.12 | 12.54 |
Spreadsheet at LarsonAppliedCalculus.com
(a) Use Simpson’s Rule to estimate the average residential price of electricity over the time period.
(b) A model for the data is
(c) Compare the results of parts (a) and (b).
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