Solution-Plot a scatter diagram find the equation of the

Plot a scatter diagram find the equation of the regression

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Reference no: EM131415756

A study was made by a retail merchant to determine the relation between weekly advertising expenditures and sales.
Advertising Costs ($) Sales ($)

40 385
20 400
25 395
20 365
30 475
50 440
40 490
20 420
50 560
40 525
25 480
50 510

(a) Plot a scatter diagram.

(b) Find the equation of the regression line to predict weekly sales from advertising expenditures.

Reference no: EM131415756

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Plot a scatter diagram find the equation of the regression

Reference no: EM131415756

Reference no: EM131415756

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