Question 644664
you have 21 digits ,ADD all digits up total is 265
Divide  265 by 21(your 21 digits)
 mean is 12.61905

to find your median look for the number half of your total digits 
  median is 6

to find median
2,2,3,3,4,4,5,5,5,6,6,6,7,7,8,8,9,33,44,44,54
  half of 21 could be (10)or(11)