Answer:
1)When subtract you will still get a negative number
Median of (72 82 92 93 94 97 98 102)
Median: 93.5
MAD : 7.125
Median of ( 53 59 64 65 65 66 67 69)
Median : 65
MAD : 3.75
F(x)= √3x + 1
a=8
8 √3 + 1 <—Exact form
14.85649646 <—In decimal form