range =  (Please enter an exact answer.) standard deviation (ss) =  (Please show your answer to one decimal place.) IQR =  (Please enter an exact answer.) A new number, 180, is added to the data set above. Please find the new range, sample standard deviation and IQR of the new data set.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set.

25 37 39 56 61 71 73 73 80 85



range =  (Please enter an exact answer.) standard deviation (ss) =  (Please show your answer to one decimal place.) IQR =  (Please enter an exact answer.)

A new number, 180, is added to the data set above. Please find the new range, sample standard deviation and IQR of the new data set.

range =  (Please enter an exact answer.) standard deviation =  (Please show your answer to one decimal place.) IQR =  (Please enter an exact answer.)

Which measure of spread is less affected by the addition of the extreme observation?

  • Range
  • standard deviation
  • IQR
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