2.9 Table below gives the total U.S. consumption and conventional hydroelectric power consumption (in quadrillion Btu). The

Question:

2.9 Table below gives the total U.S. consumption and conventional hydroelectric power consumption

(in quadrillion Btu). The data were reported by the U.S. Census Bureau’s Statistical Abstract of the United States (2001).

image text in transcribed

a Construct a time series plot for total U.S.
energy consumption.
b Compare and comment on any trends observed.
c Compute the hydroelectric power consumption as the percentage of total consumption.
Construct a time series plot and comment on any trends observed.