Question

FInd the range and IQR of 3, 7, 4, 6, 5

Answer 1

3<y<7 y is greater than 3 but less than 7

Answer 2

First the data must be ordered:
3, 4, 5, 6, 7.
The range is 7 - 3 = 4.
The LQ is (3 + 4)/2 = 3.5.
The UQ is (6 + 7)/2 = 6.5.
Therefore the IQR is 6.5 - 3.5 = 3.