2. High-Low and Least-Squares Methods Kim Wilson, controller for Max Enterprises, has decided to… 1 answer below »

  2.      High-Low and Least-Squares Methods

Kim Wilson, controller for Max Enterprises, has decided to estimate the fixed and variable components associated with the company’s shipping activity. She has collected the following data for the past six months:

  Packages Shipped               Total Shipping Costs

 

10

$ 800

20

1,100

15

900

12

900

18

1,050

25

1,250

 

 

 

 

 

  Required

1.    Estimate the fixed and variable components for the shipping costs using the high-low method. Using the cost formula, predict the total cost of shipping if 14 packages are shipped.

2.    Estimate the fixed and variable components using the method of least squares. Using the cost formula, predict the total cost of shipping if 14 packages are shipped.

3.    For the method of least squares, explain what the coefficient of determination tells us. Compute the coefficient of correlation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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