Answer:
Zero (0)
Step-by-step explanation:
The difference between the mean and the median is zero since the mean and the median of the sequence are the same.
Check
Given the arithmetic sequence: 4,6,8,10,12
[tex]Mean=(4+6+8+10+12) \div 5 =40 \div 5=8\\Median =8\\$Difference of Mean and Median= 8 - 8 = 0[/tex]