TABLE 16-1
Given below are the average prices for three types of energy products for five consecutive years. 
-Referring to Table 16-1, what are the simple price indices for electricity, natural gas and fuel oil, respectively, in year 4 using year 1 as the base year?
Definitions:
Field-wound Motors
Electric motors where the magnetic field is generated by winding wire around a core to create electromagnets, typically adjustable for speed control.
Efficiency
The ratio of useful output of a system to its total input, often expressed as a percentage, indicating how well the system converts input energy into output work or desired form of energy.
Series Motor
A motor that contains only a series field winding.
No Load
A condition where a power source or device is operating without any load or consumption, indicating its behavior in an ideal or unloaded state.
Q11: Referring to Table 19-6,how many possible courses
Q43: _ is a feature of simulation models
Q45: Referring to Table 19-1,if the probability of
Q46: An 80% learning rate means that the
Q91: Referring to Table 16-13,what is the exponentially
Q94: Referring to Table 16-4,exponential smoothing with a
Q109: Referring to Table 16-6,the fitted trend value
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Q125: Referring to Table 16-7,the fitted trend value
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