Answer: A: range 13-18, mean: 15.2
B: range 4-20, mean: 12
Step-by-step explanation: don’t worry! don’t over think it. the range is the smallest number and the largest number, in this case 13-18 and 4-20. the mean is all the numbers added together divided by all the numbers there are, in this case 76/5 and 60/5. hope this helped <3