Data and Displays · Challenge problem

Sixteen resting pulse rates: $5 \mid 6~9$, $\ 6 \mid 2~4~5~8~8$, $\ 7 \mid 0~3~5~6~9$, $\ 8 \mid 1~4~8$, $\ 9 \mid 3$. One more person, with a whole-number pulse, is added and the median rises by exactly $1.5$. What is the smallest possible pulse of the new person?