Previous tax preparation season

Assignment Help Basic Statistics

Reference no: EM13975186

For six local offices of a large tax preparation firm, the following data describe x 5 service revenues and y 5 expenses for supplies, freight, and postage during the previous tax preparation season:

x 5ppm,	y 5 ppm,	x 5 ppm,	y 5 ppm,	x 5 Service Revenues	y 5 Supplies, Freight, Postage
Plain Text	Graphics	Plain Text	Graphics	(Thousands)	(Thousands)
30.0	20.0	26.0	17.0	$351.4	$18.4
33.0	31.0	7.5	4.5	291.3	15.8
28.0	23.0	27.0	19.0	325.0	19.3
32.0	24.0	34.0	33.0	422.7	22.5
8.4	5.6	33.0	32.0	238.1	16.0
				514.5	24.6

a. Draw a scatter diagram representing these data.

b. Using the "eyeball" method, fit a straight line to the data.

c. Does there appear to be any relationship between the variables? If so, is the relationship direct or inverse?

Reference no: EM13975186

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