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Suppose the linear regression line y = 2.1x + 130 predicts sales based on the money spent on advertising. If x represents the dollars spent in advertising, and y represents the company sales in dollars, about how much can the company expect in sales if it spends $250 in advertising?.. Need help please

Respuesta :

Answer:

$655

Step-by-step explanation:

Answer:

The expected sales is $655.

Step-by-step explanation:

The given regression line is

[tex]y=2.1x+130[/tex]

Where, x represents the dollars spent in advertising, and y represents the company sales in dollars.

If company spends $250 in advertising, then the expected sales of company is

[tex]y=2.1(250)+130[/tex]

[tex]y=525+130[/tex]

[tex]y=655[/tex]

Therefore, the expected sales is $655.