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BUS105 Business Communication

tag 0 Download 3 Pages / 745 Words tag 21-08-2021
  • Course Code: BUS105
  • University: Ashford University
    icon is not sponsored or endorsed by this college or university

  • Country: United States


  1. A) paste in the scatterplot for your sample into your word document and give a simple comment about the relationship between the variables, (you do not need to submit the excel file)
  2. B) Estimate the annual contribution if the income is $200,000 using the regression line from part (a)
  3. C) Find the zscore of the estimate in part (B) note that average of the estimates is $27,000  with standard deviation $2,100, remember to show your work.
  4. D) using the zscore from part (C) Find P(Z<zscore) , you can find out the answer using
    for example found the zscore was 1.5 if the zscore is 1.5 type in
    into wolfram
  5. E) If there was a list of 10,000 estimates ranked from lowest to highest, what rank do you think your estimate would be close to.
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