Question

# Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set....

Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set.

 31 37 39 42 46 48 55 61 76 76

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, 153, 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?

___ IQR

___ Range

___ standard deviation

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