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QUESTION
The file Utility contains the electricity costs, in dollars, during July 2010 for a random sample of 50 one-bedroom apartments in a large city.
The file Utility contains the electricity costs, in dollars, during July 2010 for a random sample of 50 one-bedroom apartments in a large city. Decide whether the data appear to be approximately normally distributed.
Decide whether the data appear to be approximately normally distributed by:
