Regression equation to estimate value of dependent variable

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Reference no: EM1315245

Mr. James McWhinney, president of Daniel-James Financial Services, believes there is a relationship between the number of client contacts and the dollar amount of sales. To document this assertion,Mr. McWhinney gathered the following sample information. The x column indicates the number of client contacts last month, and the y column shows the value of sales ($ thousands) last month for each salesperson sampled.

Salesperson	Contacts (x)	Sales (y)
Robert Armstrong	14	24
Jack Bender	12	14
Dorothy Brumley	20	28
Carmen Carella	16	30
Annette Perrault	46	80
Mary Jane Duryee	23	30
David Gwyer	48	90
Harvey Lazik	50	85
Ray Osbeck	55	120
Al Montanaro	50	110

A. Determine the regression equation.

B. Determine the estimated sales if 40 contacts are made.

Reference no: EM1315245

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