Answer :
Range is the difference between the highest and lowest number in the set so first order them from lowest to highest. 21.5,22.4,22.4,23.5,24.9,25.7,26.4.
Therefore 26.4-21.5= 4.9 is your range.
Your answer is A
Therefore 26.4-21.5= 4.9 is your range.
Your answer is A