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*The following another set of data that looking at how long it takes to get to...

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Basic Math

  1. *The following another set of data that looking at how long ittakes to get to work. Let x= commuting distance (miles)and y= commuting time (minutes)

x

5

10

15

20

25

50

y

16

32

44

45

63

115

  1. Give a scatterplot of this data and comment on the direction,form and strength of this relationship.
  2. Determine the least-squares estimate equation for this dataset.
  3. Give the r2, comment on what thatmeans.
  4. Give the residual plot based on the least-squares estimateequation.
  5. Test if this least-squares estimate equation specify a usefulrelationship between commuting distance and commuting time.

answer all questions

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