The data below shows wildlife rescue data of deer rescue for the country that both house wildlife within fencing and without fencing. Such safety helps those that maintain fence boundary's and safety checks to include low tree safety? Data shows the deer rescue past year that deer that were rescued were treated for dehydration and groups the hours set out below.
Work out the mean for this discrete data and consider to find ∑x Data and if you can recognize ∑fn /N then bonus points.
Hours treated for dehydration: (Deer) Rescues per wildlife medical centre
10 5
20 10
30 20
40 30
50 40