what is the expected electricity cost when 425 machine hours are used 613921

U sonic, Inc., has collected the following information on its cost of electricity:

	Machine Hours Don't use plagiarized sources. Get Your Custom Essay on what is the expected electricity cost when 425 machine hours are used 613921 Get an essay WRITTEN FOR YOU, Plagiarism free, and by an EXPERT! Just from $10/Page Order Essay	Total Electricity Costs
January	625	$280
February	700	$290
March	500	$265
April	425	$200
May	450	$248
June	300	$170
July	375	$180
August	550	$240
September	575	$260
October	280	$150
November	430	$215
December	200	$100

Required

Prepare a scatter graph of Usonic”s electricity costs for the year. Plot the total electricity cost on the y-axis. Draw a line that you think best represents the electricity cost function. Be sure that the line runs through at least one of the data points.
What is the equation of the line you drew in part (a)?
What is the expected electricity cost when 425 machine hours are used?
Why does your answer to part (c) differ from the actual cost for the month of April, when 425 machine hours were used?

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