Question: The article Determination of Most Representative Subdivision Journal of Energy

The article “Determination of Most Representative Subdivision” (Journal of Energy Engineering [1993]: 43– 55) gave data on various characteristics of subdivisions that could be used in deciding whether to provide electrical power using overhead lines or underground lines. Data on the variable x _ total length of streets within a subdivision are as follows:
a. Construct a stem-and-leaf display for these data using the thousands digit as the stem. Comment on the various features of the display.
b. Construct a histogram using class boundaries of 0 to ,1000, 1000 to ,2000, and so on. How would you describe the shape of the histogram?
c. What proportion of subdivisions has total length less than 2000? between 2000 and 4000?

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