diff --git a/app/controllers/calculations_controller.rb b/app/controllers/calculations_controller.rb
index f143fcc..dc4aa97 100644
--- a/app/controllers/calculations_controller.rb
+++ b/app/controllers/calculations_controller.rb
@@ -83,27 +83,72 @@ def descriptive_statistics
     # The numbers the user input are in the array @numbers.
     # ================================================================================
 
-    @sorted_numbers = "Replace this string with your answer."
+    #   @squared_numbers = []
 
-    @count = "Replace this string with your answer."
+    #   @numbers.each do |num|
+    #     square = num * num
+    #     @squared_numbers.push(square)
+    #   end
 
-    @minimum = "Replace this string with your answer."
+    # @sorted_numbers = @squared_numbers
 
-    @maximum = "Replace this string with your answer."
+    ####################SORTED NUMBERS####################
+    @sorted_numbers = @numbers.sort
 
-    @range = "Replace this string with your answer."
+    ####################COUNT####################
+    @count = @numbers.size
 
-    @median = "Replace this string with your answer."
+    ####################MINIMUM####################
+    @minimum = @numbers.min
 
-    @sum = "Replace this string with your answer."
+    ####################MAXIMUM####################
+    @maximum = @numbers.max
 
-    @mean = "Replace this string with your answer."
+    ####################RANGE####################
+    @range = @numbers.max - @numbers.min
 
-    @variance = "Replace this string with your answer."
+    ###################MEDIAN####################
+    if(@count % 2 == 0)
+      @median = (@sorted_numbers[(@count/2).to_i - 1] + @sorted_numbers[(@count/2).to_i])/2.0
+    else
+      @median = @sorted_numbers[(@count/2).to_i]
+    end
 
-    @standard_deviation = "Replace this string with your answer."
+    ###################SUM####################
+    @sum = @numbers.sum
+
+    ###################MEAN####################
+    @mean = @sum/@count
+
+    ###################VARIANCE####################
+      @calculation = []
+
+      @numbers.each do |num|
+        difference = num - @mean
+        @calculation.push(difference * difference)
+      end
+    
+    @variance = (@calculation.sum) / (@count)
+
+    ###################STANDARD DEVIATION####################
+    @standard_deviation = @variance ** (1.0/2.0)
+
+    ###################MODE####################
+    counter = Hash.new(0)
+
+    @sorted_numbers.each do |num|
+      counter[num] += 1
+      # p counter
+    end
+    
+    highest_mode = counter.max_by{|key,value| value}[1] #counter.sort_by{|key,value| value}[-1]
+    values = counter.select{|key,value| value==highest_mode}
+
+    @mode = values 
+    
+    #values.select{|k,v| v == hash.values.max}
+    #counter.invert["key"=>highest_mode]
 
-    @mode = "Replace this string with your answer."
 
     # ================================================================================
     # Your code goes above.