Question 5 Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 21 21 27 35 37 38 57 60 63 100 ctor range = (Please enter an exact answer. ) standard deviation (s) = (Please show your answer to one decimal place. ) IQR = (Please enter an exact answer.) A new number, 138, 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? O Range OIQR O standard deviation