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you are interested in determining whether the mean price of electricity offered by solar companies is different in the southern states than in the northern states. you select a random sample of 8 solar companies from the southern states and 11 from the northern states. for the southern states, the average price is 12.2 cents

Answer :

The cost of electricity=[tex]97.6[/tex] given by solar businesses varies according on where you live in the south versus the north.

Electrical Costs are the total cost of power used by the building, less the cost of any unusual electrical use by other tenants, if such costs are assessed against such renters. The standard building capacity is used to calculate electrical costs. The annual cost of fuel, lubricating oil, maintenance and repair fees, and operating staff pay all contribute to the running cost of electrical energy. The running cost is exactly proportionate to the number of units produced by the plant because all of these fees are based on the energy output of the plant.

total cost = number of units used × cost per unit

=12.2*8=[tex]97.6[/tex]

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