Find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 21 55 55 57 58 63 70 76 81 93 range = (Please enter an exact answer.) standard deviation (ss) = (Round to one decimal place.) IQR = (Please enter an exact answer.) A new number, 252, is added to the data set above. Find the range, sample standard deviation and IQR of 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? IQR Range standard deviation
Find the
21 | 55 | 55 | 57 | 58 | 63 | 70 | 76 | 81 | 93 |
range = (Please enter an exact answer.)
standard deviation (ss) = (Round to one decimal place.)
IQR = (Please enter an exact answer.)
A new number, 252, is added to the data set above. Find the range, sample standard deviation and IQR of 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?
- IQR
- Range
- standard deviation
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The formula's are
Now, let us sort our data in ascending order,
21, 55, 55, 57, 58, 63, 70, 76, 81, 93
Now, let first calculate mean
Now, standard deviation
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