# Consider the following sample data for the relationship between advertising budget and sales for Product A:...

###### Question:

Consider the following sample data for the relationship between advertising budget and sales for Product A:

 Observation Advertising ($) Sales ($) 1 2 3 4 5 6 7 8 9 10 70,000 80,000 80,000 90,000 100,000 100,000 110,000 110,000 120,000 130,000 432,000 478,000 484,000 552,000 605,000 594,000 688,000 674,000 713,000 784,000

What is the slope of the "least-squares" best-fit regression line?

Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.

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