Math Solutions

(Solved) Show All Work for all of the problems. Calculate the correlation coefficient for the advertising expenditures and company sales. Calculate the

Question: Show All Work for all of the problems.

  1. Calculate the correlation coefficient for the advertising expenditures and company sales.
  2. Calculate the slope and y-intercept of the line of best fit.
  3. What is the equation for the line of best fit.
  4. What would be the predicted company sales for a business that spent $2800
  5. What is the coefficient of determination.
Expenditures Company Sales x2 y2 x*y
2.4 225 5.76 50625 540
1.6 184 3.2 33856 294.4
2 220 4 48400 440
2.6 240 5.2 57600 624
1.4 180 2.8 32400 252
1.6 184 3.2 33856 294.4
2 186 4 34596 372
2.2 215 4.4 46225 473

Price: $2.99
Solution: The downloadable solution consists of 4 pages
Deliverable: Word Document


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