docs: clean-up examples

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Author: gururaj1512

lib/node_modules/@stdlib/stats/base/range/README.md

@@ -128,17 +128,11 @@ var v = range.ndarray( 4, x, 2, 1 );
 
 ```javascript
 var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
 var range = require( '@stdlib/stats/base/range' );
 
-var x;
-var i;
-
-x = discreteUniform(10, -50, 50, {
+var x = discreteUniform(10, -50, 50, {
     'dtype': 'float64'
 });
-x = x.map(round);
 console.log( x );
 
 var v = range( x.length, x, 1 );

lib/node_modules/@stdlib/stats/base/range/examples/index.js

@@ -21,8 +21,7 @@
 var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var range = require( './../lib' );
 
-var len = 50;
-var x = discreteUniform(len, 0, len, {
+var x = discreteUniform(10, -50, 50, {
 	'dtype': 'float64'
 });
 console.log( x );