Answer:
B) 12
Explanation:
Range is when u subtract the minimum value to the maximum value:
1st period:
Max = 98
Min = 60
Range = max - min
Range = 98 - 60
Range = 38
2nd period:
Max = 96
Min = 70
Range = 96 - 70
Range = 26
Difference between the ranges of the 2 periods:
38 - 26 = 12