If @average_stat is Stat.new then @average_stat.points,
@average_stat.assists, etc... are also integer. So you could use a
array variable, after stats = Stat.find(:all) :
@average_stat=[ stats.sum('points') / stats.count('points'),
stats.sum('assists') / stats.count('assists') , stats.sum('blocks') /
stats.count('blocks') , stats.sum('turnovers') /
stats.count('turnovers') ] .
In fact you shoud use directly average(stat.points), etc.. See
http://api.rubyonrails.org/classes/ActiveRecord/Calculations/ClassMethods.html#M002188
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