README in easystats-0.0.2 vs README in easystats-0.0.3

@@ -17,10 +17,22 @@
 
 median(x)
 Paramaters: Takes in an array of numbers
 Returns: The median of the numbers in the array
 
+range(x)
+Parameters: Takes in an array of numbers
+Returns: The range of the numbers
+
+mode(x)
+Parameters: Takes in an array of numbers
+Returns: The mode, if any.  Otherwise a string that says "There is no mode"
+
+variance(x)
+Paramaters: Takes in an array of numbers
+Returns: The variance
+
 Example usage:
 
 require "rubygems"
 require "easystats"
 
@@ -31,7 +43,10 @@
 # Create a new Easystats Object
 m = Easystats.new
 
 puts "Sum: " + m.sum(myNumbers).to_s
 puts "Average: " + m.mean(myNumbers).to_s
+puts "Variance: " + m.variance(myNumbers).to_s
 puts "Standard Deviation: " + m.standard_deviation(myNumbers).to_s
 puts "Median: " + m.median(myNumbers).to_s
+puts "Range: " + m.range(myNumbers).to_s
+puts "Mode: " + m.mode(myNumbers).to_s