Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. (37 |48 |49 |59 | 75|83 |83 |86 |8 |90 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, 279, 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 standard deviation ) Range O IR