Let a, a+d, a+3d, a+4d are the numbers of an arithmetic sequence, then median =
\(\cfrac{a+a+4d}{2}\) = \(\cfrac{2a+4d}{2}\)= a+2d
Median will be the term which is at center = a + 2d
\(\therefore\) A set of numbers in arithmetic sequence, the mean and median are equal.
