Question: The U S Energy Information Administration collects data on residential energy

The U.S. Energy Information Administration collects data on residential energy consumption and expenditures. Results are published in the document Residential Energy Consumption Survey: Consumption and Expenditures. The following table gives one year’s energy consumption for a sample of 50 households in the South. Data are in millions of BTUs. Use limit grouping with a first class of 40–49 and a class width of 10.
a. Determine a frequency distribution.
b. Obtain a relative-frequency distribution.
c. Construct a frequency histogram based on your result from part (a).
d. Construct a relative-frequency histogram based on your result from part (b).


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  • CreatedAugust 13, 2015
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