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
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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