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Relationship between the variables

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Reference no: EM132388520

Below are the value for diastolic and systolic blood pressure for 20 people:

 90 80 90 78 76 78 80 70 76 74 72 77 82 68 70 71 83 74 75 70

130 126 140 118 114 112 120 110 114 116 115 122 126 115 117 113 125 118 123 110

  1. Construct a scatter plot that shows the relationship between the variables.
  2. Write a description of your results including the direction and magnitude of the relationship.
  3. Compute the correlation coefficient (Pearson's r) to summarize the relationship for the blood pressure data and compare how close your description of the scatterplot was compared to the value of the coefficient. 

Reference no: EM132388520

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