Data Base A
The range is 20 for Data Base A.
The range is you subtract 21 minus 1 which you get is 20.
The IQR is 4 because you first find the median which is 5.
Then you find the first quartile median which is 2.
The third quartile range is 6.
Then subtract The first and third quartile range (6-2) which gives 2.
Data Base B
The Range is 20.
You subtract 21 by 1 and you get 20.
The IQR is 1 because you first find the median which is 17.
Then you find the first quartile range which is 17.
Then the third quartile which is 18.
Subtract both and you get one.
