Answer:
The answer is "717.25 minutes".
Step-by-step explanation:
In this question first, we arrange the value in ascending order that are:
307,311,321,322,354,363,377,406,425,435,461,464,474,499,505,513,517,534,548
The median is always in an orderly position that is
.
position orders
place an average of observations so, the

Because as medium stands at 10.5 that median is as below 10 are greater than the level.
often falls throughout the ordered BELOW average is
place.
ordered position
Average
location findings

In
the ordered place, Q3 always falls ABOVE the median.
ordered At median ABOVE
Consequently
falls between
ABOVE the median position
place average of observations

