Q:

When a relationship between the heart rate and valsalva?s ratio is studied, mean is useful but dispersion of the data is also very useful. Which method of spread will be more useful in this?

1

When a relationship between the heart rate and valsalva?s ratio is studied, mean is useful but dispersion of the data is also very useful. Which method of spread will be more useful in this?


  1. Range
  2. Standard deviation
  3. Coefficient of variance
  4. Percentage
  5. Inter quatile range

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C. Coefficient of variance

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