Question

Help pls i need this question answered i cant do it

Answer 1

Step-by-step explanation:

sorry di but I also can't understand

Answer 2

Step-by-step explanation:

median=5+y/2=5

5+y =2×5=10

y=10-5=5

mean = (1+3+5+5+5+6+6+z)/8 = 5

==31+z /8=5

31+z=5×8=40

z=40-31=9