Answer: look down below
Explanation:
BEFORE
91+87+100+88+95+91=552
552\6=92
Median=92
the 6 is how much data points we have
AFTER
91+87+100+88+95+91+98+100+88+86=924
924/10=92.4
the 10 represnts how many data points we have now
MEDIAN=92.4
the median will be increased by 0.4