Questions tagged [statistics]
The statistics tag has no usage guidance.
8 questions
2
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1
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How does the EPA estimate annual power consumption for refrigerators?
I'm trying to get a simplified idea of how the EPA estimates annual power consumption for refrigerators, e.g. here. There are a number of reasons why I want to know this, but there are three big ones:
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3
votes
1
answer
68
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Costs of transportation
I assume that it makes sense to ask for the energy costs of transportation of different goods per weight and volumetric mass density, depending on the means of transportation (truck, train, ship, etc.)...
3
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0
answers
71
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Are there any articles that describe to correlation between the forecast errors for renewable energy resources, depending on the distance?
In an article by Zhang et al., the authors describe how the (normalized) forecast errors of different renewable energy sources (like solar panels and wind mills) are correlated. To that end, they ...
7
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1
answer
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What is the number 1 country by global installed wind capacity: the United States or China?
In the following graph:
We see that China surpassed every single country in wind energy production, except the United States.
But these statistics are up to 2009 only.
So my question is: what about ...
- 261
5
votes
1
answer
129
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What is the % of energy produced per year which is renewable energy (including hydropower, biomass, ...) in the U.S. and in the whole world?
I would like to know what is the % of energy produced per year which is renewable energy (including hydropower, biomass, wind, geothermal, solar) :
in the United States
in the entire world
.
And ...
- 261
6
votes
2
answers
314
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Analysis of Water Usage by Family Demographics
I want an analysis of daily water usage that breaks out the data by family type and size in the United States. (Although I am happy to get usage data by demographics for any part of the world if that ...
- 163
7
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1
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Instructions for making, and comparisons of, *small* solar thermal collectors
The web has probably thousands of pages with instructions on how to build solar devices for heating air, water, and probably things I've never even thought of.
Wikipedia describes different types of ...
- 8,857
10
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3
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Is the metal use per person rising?
Has the metal 'consumption' of consumers risen over the last, say 30 years (arbitrarily chosen number - anything on a similar scale would be interesting).
I'm interested in both the amount that is '...
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