Find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 27 29 44 44 49 50 85 89 98 99 range = Please enter an exact answer. ) standard deviation (s) = (Round to one decimal place. ) IQR = (Please enter an exact answer. ) A new number, 123, is added to the data set above. Find the range, sample standard deviation and IQR the new data set. range = (Please enter an exact answer. ) standard deviation = Round to one decimal place.) IQR = (Please enter an exact answer. ) Which measure of spread is less affected by the addition of the extreme observation? O Range O standard deviation O IQR