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

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

Observation 1 2 3 4 5 6 7 8 9 10
Advertising ($) 40000 50000 50000 60000 70000 70000 80000 80000 90000 100000
Sales ($) 239000 315000 311000 363000 432000 493000 438000 493000 535000 603000

What is the slope of the "least-squares" best-fit regression line? Please round your answer to the nearest hundredth. Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel

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Math   Statistics-And-Probability   
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