Answer:
Interquartile Range = 34
Range = 55
Step-by-step explanation:
Max - Min = Range
75 - 20 = 55
Quartile 3 - Quartile 1 = IQR
68 - 34 = 34
Bne matematikçi değilim^o^
68.5 mph
191.8 ÷ 2.8 = 68.5