Please find the range, sample standard deviation andinter-quartile range (IQR) of the following data set usingTI-84.
range = _____ (Please enter an exact answer.)
standard deviation (ss) = _______ (Please show your answer to onedecimal place.)
Inter-Quartile-Range (IQR) = ________ (Please enter an exactanswer.)
A new number, 112, is added to the data set above. Please find thenew range, sample standard deviation and IQR of the new dataset.
range = ____ (Please enter an exact answer.)
standard deviation (ss) = ______ (Please show your answer to onedecimal place.)
IQR = _____ (Please enter an exact answer.)
Which measure of spread is less affected by the addition of theextreme observation?
- IQR
- Range
- standard deviation
