The file Natural Gas contains the U.S. monthly average commercial and residential price for natural gas in
Question:
The file Natural Gas contains the U.S. monthly average commercial and residential price for natural gas in dollars per thousand cubic feet from January 2008 through December 2016.
Source: Data extracted from “U.S. Natural Gas Prices,” bit.ly/2oZIQ5Z, accessed March 19, 2017.
For the commercial price and the residential price:
a. Construct a time-series plot.
b. What pattern, if any, is present in the data?
c. Construct a scatter plot of the commercial price and the residential price.
d. What conclusion can you reach about the relationship between the commercial price and the residential price?
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Related Book For
Basic Business Statistics Concepts And Applications
ISBN: 9780134684840
14th Edition
Authors: Mark L. Berenson, David M. Levine, Kathryn A. Szabat, David F. Stephan
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