USH Financial is a small bank that is examining its customers use of its website. The numbers of online transactions made per day during the 9 days are as follows.

The first step is to arrange the values in ascending order. We have
53, 56, 64, 66, 72, 86, 86,86 91
a) The median is the middle value. Thus,
median = 72
b) Mean = sum of values/number of values
Mean = 73.3
c) The mode is the value with the highest frequency
The value with the highest frequency is 86
Thus, it has 1 mode
The mode is 86